1. CHEMISTRY

    A solution contains 10.05 grams of an unknown covalent substance in 50.0 grams of water. The freezing point of this solution is (-) 3.16o C. What is the formula weight of the unknown compound?

    asked by NEHE on October 11, 2013
  2. Chemistry

    Assume that a reaction occurs in which unknown substances R and S react to form unknown substances T and U. From the information below, determine the mass of substance T that will be formed if 45.0 grams of substance R reacts with 23.0 grams of substance

    asked by Daniel on May 20, 2008
  3. chemistry

    A solution contains 10.05 grams of an unknown covalent substance in 50.0 grams of water. The freezing point of this solution is (-) 3.16o C. What is the formula weight of the unknown compound? Below is what I tried, but don't know what to do next. Please

    asked by Anonymous on October 11, 2013
  4. chemistry

    A certain substance has a solubility of 12 grams in 100 grams of water at 20°C. This means that _____ the substance will begin to dissolve when 12 grams are present in solution when 12 grams of the substance are stirred into a beaker with 100 g of water,

    asked by Bleaktuber on January 24, 2019
  5. Physics

    3/2/2016 An unknown substance at a temperature of 20 degrees Celsius is warmed up to 50 degrees when water at 80 degrees is added to it. The sum of the masses of the unknown substance and water is equal to 1000grams. In another experiment, the same

    asked by Marilynn on behalf of Victor Hopman on March 2, 2016
  6. Calculus

    A tank contains 100 grams of a substance dissolved in a large amount of water. The tank is filtered in such a way that water drains from the tank, leaving the substance behind in the tank. Consider the volume of the dissolved substance to be negligible. At

    asked by jau on March 21, 2017
  7. college Chemistry

    1. If 25 grams of Iron (III) hydroxide is dissolved in a 500mL volumetric flask, what is the Molarity of the solution? 2. An unknown metal has a volume of 5.25 mL and a density 2.71 g/mL. What is the weight of the metal in grams? 3. An unknown metal,

    asked by Ivy on December 4, 2010
  8. chemistry

    when 10.0 grams of an unknown substance is dissolved in 50. grams of water, the new freezing point becomes -3.00C. What is the molar mass of the compound? For this question can some one tell me the formulas I need to solve for this problem and I can fill

    asked by Ronnie on March 7, 2010
  9. Chemistry

    A solubility graph showing the solubility in grams of substance X in 100.0 g of alcohol. At 20 degrees Celsius, 24.0 grams of substance X will dissolve. At 50 degrees, 60.0 grams will dissolve. A saturated solution of X (s) in alcohol is cooled down from

    asked by Spencer on June 22, 2018
  10. chemistry

    If you have 12 moles of a substance, how many molecules do you have of that substance? Suppose the substance has a molecular weight of 342. How many grams of that substance would you have to dissolve in a liter of water to make a 12 M solution?

    asked by VANESSA on September 3, 2011
  11. Chem9

    An aqueous solution containing 35.1 grams of an unknown molecular (noneolectrolyte) compound in 152.5 grams of water was found to have a freezing point of -1.8 degrees C. Calculate the molar mass of the unknown compound.

    asked by Ryan on May 2, 2011
  12. Chemistry

    Calculate how many grams of the substance and how many grams of water is in a solution of 400g with a concentration of a 30%

    asked by David on August 15, 2016
  13. Chemistry

    When 1.150 grams of an unknown nonelectrolyte dissolves in 10.0 grams of water, the solution freezes at -2.16°C. What is the molecular weight of the unknown compound? Kf for water = 1.86°C/m. -2.16 x m/-1.86 = 1.16 1.16/ .010 kg of water= 116 1.150/116=

    asked by Marcus on February 10, 2013
  14. Chemistry

    The solubility of a substance is 12.0 g per 100.0 g of water at 60 C. How many grams of the substance can crystallize from a saturated solution that contains 200.0 g of water at 60 C if the solution is cooled to 20 C?

    asked by Stephanie on March 18, 2012
  15. chemistry

    Dissolve 1.5g of an unknown salt into 37g of water and find that the new vapor pressure at 75C is 277 torr. What is the Molar Mass of the unknown? How many grams of the unknown would have to be used in 100ml of water to make a 11.5% solution by mass of the

    asked by regina on December 5, 2010
  16. Chemistry

    Elements A and B combine to form two different compounds. The first compound contains 15.0 grams of substance A, and 8.60 grams of substance B. It can be represented by the formula A2B (subscript 2). The second compound contains 5.0 grams of substance A,

    asked by N on November 2, 2016
  17. Math

    An unknown radioactive substance has a half-life of 124 years. How long will it take a 67 grams sample to degrade to 18 grams?

    asked by Maria on February 17, 2016
  18. Chemistry

    A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this

    asked by Paul on January 31, 2011
  19. Chemistry

    A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this

    asked by Paul on January 31, 2011
  20. Chemistry

    A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this

    asked by Paul on February 1, 2011
  21. Chemistry

    A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 2. Calculate the % concentration of this

    asked by Paul on February 1, 2011
  22. Chemistry

    In an experiment, 3.545 grams of an unknown nonelectrolyte is dissolved in 15.0 grams of water. The extrapolated freezing point is -.56 degrees C. What is the molecular weight of the unknown material?

    asked by Cerra on November 22, 2010
  23. Science

    A solution in a dish contains 3.0 grams of salt dissolved in 100 grams of water. If 50 grams of the water evaporates, the solution is A compound A mixture An element A Solid

    asked by I Dont Matter on January 30, 2018
  24. science

    the solubility of an unknown substance is 120 grams of water at 70 degrees celsius. What is it?

    asked by Justin on April 20, 2016
  25. Calculus

    A tank contains 100 grams of a substance dissolved in a large amount of water. The tank is filtered in such a way that water drains from the tank, leaving the substance behind in the tank. Consider the volume of the dissolved substance to be negligible. At

    asked by jau on March 21, 2017
  26. science

    what will be the law of conversion of a) 65 grams 70 grams b) magnesium + oxygen = magnesium oxide 45 grams ? grams 80 grams c) sodium hydroxide + hydrochoride acid 40 grams 36.5 grams sodium chloride + water ? grams 18 grams

    asked by Magaly on August 4, 2012
  27. soran university

    1. Which salt is LEAST soluble at 0 ºC? 2. How many grams of sodium nitrate, NaNO3, are soluble in 100 g of water at 10 ºC? 3. When 50 grams of potassium chloride, KCl, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described

    asked by zagros on November 24, 2014
  28. Chemistry

    1. What is the percent by mass of a solution that contains 50 grams of solute dissolved in 200 grams of solution? What is the concentration of the same solution in parts per million? 2. What is the percent mass of a solution that contains 75 grams of salt

    asked by Leora on March 25, 2011
  29. Chemistry- Drbob-help

    I have placed the answer I got please help. A student makes a solution by dissolving 55.8 grams of potassium hydroxide in 875.0 grams of water. The resulting solution has a density of 1.07 grams per milliliter. 1. What is the volume of this solution? 870mL

    asked by Paul on February 9, 2011
  30. chemistry

    If a student added 42.6 grams of sodium sulfite to 780.4 grams of water and determined that 3.40 grams of the new solution occupied 3.20ml, what is the weight percent, molality, and molarity of the solution produced?

    asked by Sumaiyah on July 18, 2013
  31. Science

    Answer with solution, plz. 1. What is the concentration of the solution by volume when dissolved is used 30 grams & the water is 60 grams. 2. How much solvent in grams is present in a solution with a concentration by volume of 40% the solute of content is

    asked by Rachel on October 3, 2016
  32. Algebra

    How much of a radioactive substance must be presented to decay to 60 grams in 11 years if the half-life of the substance is 3.9 years? Select one: a. Between 400 and 420 grams b. Between 420 and 440 grams c. Between 440 and 460 grams d. Over 460 grams

    asked by Anonymous on February 21, 2019
  33. algebra

    Julie has 250 grams of a radioactive substance. The substance decays every hour. How long will it take until she has 20 grams of the substance left?

    asked by Sozy on September 9, 2013
  34. algebra

    A radioactive substance decays according to the formula A=A0e^kt where A0 is the initial amount of substance (in grams) A is the amount of substance(in grams) after t years k is a constant The half-life of the substance is 10 years.If we begin with 20g of

    asked by enhle on April 3, 2015
  35. chemistry

    if you mixed 7 grams of iodine pentafloride with 2 grams of water which substance would be the limiting reactant?

    asked by ty on November 16, 2010
  36. chemistry

    What is the specific heat of an unknown substance if 2000 J of energy are required to raise the temperature of 4 grams of the substance 5 degrees Celsius?

    asked by amber on May 30, 2012
  37. Science

    What is the specific heat of an unknown substance if 2000 J of energy are required to raise the temperature of 4 grams of the substance 5 degrees Celsius?

    asked by jason on September 10, 2010
  38. Chemistry

    (1)Make 500 ML of 4N H3PO4. How many grams will be needed? (2) In a titration procedure, 20mL of 2N solution were required to titrate 5mL of an unknown solution. What is the normality of the solution? (3) How much of a 0.01M can be made from 20mL of 6M

    asked by Nelson on January 30, 2017
  39. science need help

    2 H2 + O2 -> 2 H2O 2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass of oxygen and hydrogen that reacts? include types of change illustrated in the balanced equation. explain the conversation of

    asked by jeff on April 1, 2013
  40. science

    2 H2 + O2 -> 2 H2O 2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass of oxygen and hydrogen that reacts? include types of change illustrated in the balanced equation. explain the conversation of

    asked by jeff on March 31, 2013
  41. science

    2 H2 + O2 -> 2 H2O 2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass of oxygen and hydrogen that reacts? include types of change illustrated in the balanced equation. explain the conversation of

    asked by jeff on March 31, 2013
  42. science

    2 H2 + O2 -> 2 H2O 2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass of oxygen and hydrogen that reacts? include types of change illustrated in the balanced equation. explain the conversation of

    asked by jeff on March 31, 2013
  43. science

    2 H2 + O2 -> 2 H2O 2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass of oxygen and hydrogen that reacts? include types of change illustrated in the balanced equation. explain the conversation of

    asked by jeff on March 31, 2013
  44. chemistry

    this is a really long question. i don't understand how to answer it. help please. A 10.0% aquueous solution of sulfuric acid has a density of 1.0661 g/mL at 20 degrees celsius. A. how many grams of H2SO4 are found in 50.0 g of this solution? B. how many

    asked by Nicole on April 7, 2013
  45. math

    a radioactive substance decays at an annual rate of 24 percent. If the initial amount of the substance is 640 grams, which of the following functions (f) models the remaining amount of the substance, in grams, t years later?

    asked by lilly on April 5, 2019
  46. Chemistry- Drbob-help#3

    I still need help with #3 I'm not sure how I got 1.14M. I have tried to do the problem over, but I not coming up with my original answer of 1.14M. Somehow I am missing a step. Please show work for the 1.14M Thanks Question#9 reads exactly as written. A

    asked by Paul on February 10, 2011
  47. Exponential Modeling

    The half-life of a radioactive substance is one day, meaning that every day half of the substance has decayed. Suppose you have 100 grams of this substance. How many grams of the substance would be left after a week?

    asked by Anonymous on May 1, 2016
  48. Pre Calculus

    Exponential growth and decay find the half life of a radioactive substance if 220 grams of the substance decays to 200 grams in 4 years?

    asked by Josh on October 25, 2011
  49. chemistry

    In a chemical reaction, substance A combines with substance B to form substance Y. At the start of the reaction, the quantity of A present is a grams, and the quantity of B present is b grams. Assume a> and

    asked by mike on March 14, 2011
  50. calculus

    assume the half-life of the substance is 31 days and the initial amount is 183.9 grams. (a) Fill in the right hand side of the following equation which expresses the amount A of the substance as a function of time t (the coefficient of t in the exponent

    asked by trace on September 16, 2010
  51. Chemistry

    A metallurgist decomposes an unknown ore to the following metals. What is the chemical formula of the ore? (Show all the chemical equation and solution steps) ore = x metal products from ore decomposition: Al: 162.0 grams Sb: 730.8 grams Ag: 1,294 grams

    asked by jermain 32 on February 2, 2012
  52. Chemistry

    A solution is prepared by dissolving 130 g of NaNO3 in 100 g of water at 80°C. The solution is cooled to 0°C. How many grams of compound remain in solution? How many grams of solid are formed?

    asked by George on April 3, 2011
  53. Chemistry

    A solution is prepared by dissolving 130 g of NaNO3 in 100 g of water at 80°C. The solution is cooled to 0°C. How many grams of compound remain in solution? How may grams of solid are formed?

    asked by Craig on April 3, 2011
  54. chemistry

    Find the molar masses of the following compounds: 1. LiI 2. PbCO4 3. Mg(OH)2 4. (NH4)3PO4 Find the percent composition (percent by mass) of the given element in the following compounds: 1. Fluorine in AgF 2. Hydrogen in glucose (C6H12O6) 3. Oxygen in

    asked by Alex on March 2, 2015
  55. chemistry

    an unsaturated solution is made by completely dissolving 20.0 grams of NaNO3 in 100.0 grams of water at 20.0 degrees celcius. show a corrct numerical sat up for calculating the number of moles of nano3(gram-formula mass = 85.0 grams per mole) used to make

    asked by nicole on April 23, 2012
  56. mixture

    Sugar solution is composed of 40 grams of sugar and 200 grams of water. How many grams of sugar must be added to make a 60% sugar solution? (Kindly write the equation..... tnx)

    asked by HELP HELP MNHS on November 22, 2012
  57. science

    Julie mixes 40g (grams) of unknown X with 20g of unknown Y, how many grams of products will be produced and why?

    asked by chanille on October 26, 2015
  58. Calculus

    In a certain chemical reaction, substance A combines with substance B to form substance Y. At the start of the reaction, the quantity of A present is a grams, and the quantity of B present is b grams. Assume a

    asked by Anonymous on December 4, 2017
  59. chemistry

    a solution is prepared by dissolving145 grams of NaNO3 in 100 grams of water at 80*C. the solution is then cooled to 10*C. how much of the solute will come out of the solution?

    asked by lisa on March 9, 2015
  60. 10th grade

    An unsaturated solution is made by completely dissolving 20.0 grams of NaNO3 in 100.0 grams of water at 20.0°C. (the gram formula mass=85.0 grams per mole) Determine the minimum mass of NaNO3 that must be added to this unsaturated solution to make a

    asked by R on December 25, 2009
  61. CHEM MOLES !@@!

    Mole Calculation Worksheet 1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How many moles are in 22 grams of argon? 4) How many grams are in 88.1 moles of magnesium? 5) How many moles are in 2.3 grams of

    asked by Theresa on December 16, 2014
  62. Chemistry

    The term mole is used in chemistry to define an amount of a substance. For example, a mole of glucose, blood sugar, weighs 180.16 grams. A common concentration unit for solutions is moles of substance per liter of solution. We abbreviate this with the

    asked by Ryan on January 28, 2013
  63. math

    When a chemist dilutes pure acid with another substance, the resulting mixture is no longer pure acid. Consistent with the words, pure acid is 100% acid. So, there are 20 grams of pure acid in 20 grams of a pure-acid solution. Laura, a chemist, has 20

    asked by Julia on December 4, 2016
  64. Chemistry

    what is the density of an unknown substance whose mass is 4.5 grams and volume is 5 mil?

    asked by Gary on January 8, 2010
  65. Chemistry

    If 33.6 grams of KCl are dissolved in 192 grams of water, what is the concentration of the solution in percent by mass? AND if 2.1 moles of CaCl2 are dissolved in enough water to make a .92 liter solution what is the resulting molarity? Please help and

    asked by Dr. David on March 27, 2012
  66. Math-Exponential Decay

    A lab technician had 58 grams of a radioactive substance. Ten days later, only 52 grams remained. Find the half-life of the radioactive substance.

    asked by Anonymous on May 12, 2014
  67. Math

    ack's science teacher gave each student in his class 15.0 grams of an unknown substance to identify. Each student was required to verify the mass of their substance by taking four measurements. Which of Zack's measurement was the most accurate of the four

    asked by Chasidy on May 1, 2015
  68. Chemistry

    A total charge of 96.5 kC is passed through an electrolytic cell. Determine the quantity of substance produced in each of the following cases. (a) the mass (in grams) of silver metal from a silver nitrate solution (b) the volume (in liters at 273 K and

    asked by Sara on June 21, 2013
  69. chemistry

    A solution is prepared by dissolving 104.1 grams of barium chloride, BaCl2 in 1000. grams of water? What is the boiling point of this solution? [The boiling point elevation constant for water is 0.52°C/mole solute in 1000g of water]

    asked by Natalya on October 30, 2014
  70. Science

    And ice cube Wayne 1 g is placed in our closed insulated container with 9 g of water at 20°C 68°F after 24 hours elapse the container will hold what (1) ten grams of water (2) one gram of ice and nine grams of water (3) five grams of ice and five grams

    asked by Mydogbear on May 13, 2017
  71. chemistry

    Examine the information. Isotope B has a half-life of 3 days. A scientist measures out 100 grams of this substance. After 6 days has passed, the scientist reexamines the sample. How much of Isotope B will remain in the sample? 100 grams 63 grams 94 grams

    asked by PLEASE help on September 22, 2017
  72. math

    a radioactive substance decays at an annual rate of 24 percent. If the initial amount of the substance is 640 grams, which of the following functions (f) models the remaining amount of the substance, in grams, t years later? a) f(t) = 640(0.76)^t b) f(t) =

    asked by lilly on April 14, 2019
  73. chemistry

    State how you would prepare each solution: 1) 455g of a solution of C3H5(OH)3 in water in which the mole fraction of glycine is .250 2) 755g of 1.4 molality solution of napathalene C10H8 in benzene C6H6. My instructor told us to find the amount of grams in

    asked by Amid on January 28, 2014
  74. Science

    If water with the mass of 15.0 grams is heated into water vapor in a closed system such as a closed glass jar, what is the mass of the gas after the water completely vaporizes? A) 13.5 grams B) 15.0 grams C) 16.5 grams D) The mass cannot be determined

    asked by Anonymous on December 12, 2017
  75. Chemistry

    4.00 grams of NaOH have been added to 2.0 liters of water. The molarity of this solution is ____M. the concentration of this solution is ______ grams of NaOH per liter of water

    asked by Maria on August 6, 2010
  76. chem

    You wish to prepare an aqueous solution of glycerol, C3H5(OH)3, in which the mole fraction of the solute is 0.093. How many grams of glycerol must you combine with 425 grams of water to make this solution? What is the molality of the solution? PLEASE HELP!

    asked by mike on November 22, 2009
  77. Trigonometry

    A scientist has 37 grams of a radioactive substance that decays exponentially. Assuming k=-0.3,how many grams of radioactive substance remain after 9 days.

    asked by Marissa on April 13, 2018
  78. chemistry

    How many grams of NaCl should be added to 250 grams of water to make a 0.40 m solution? I got 19 grams. this is how I got it. first I found the mass of water = 18g then I converted that to mols 18/250 = .0072. I subtracted 0.072 - 0.40 = 0.328 I found the

    asked by davis on March 24, 2007
  79. Chemistry

    85.65 grams of barium hydroxide were dissolved in 2000ml of water. 88 grams of carbon dioxide were passed through the solution producing a white precipitate. what was this white precipitate and how many grams of it were produced.

    asked by John on March 26, 2012
  80. Chemistry- Solubility Curves

    If 50 grams of water saturated with potassium chlorate at 23*C is slowly evaporated to dryness, how many grams of the dry salt will be recovered? I know that I should know this.. But it has 50 grams of water instead of 100. ): Please, someone tell me how

    asked by Rachel on March 10, 2010
  81. Chemistry

    3.a solution has 64 grams of HI dissolved in 250 L of water. what is its [H+] 4. What is the pH of the solution in question #3? 5. A solution has 189 grams of HNO3 dissolved in 1000 L of water. What is pH?

    asked by Emma on February 25, 2014
  82. Chemistry Help!!!!!!

    95.65 grams of barium hydroxide were dissolved in 2000ml of water. 88 grams of carbon dioxide were passed through the solution producing a white precipitate. what was this white precipitate and how many grams of it were produced. explain please!!!! i got

    asked by Amber on March 29, 2012
  83. Math

    Suppose f(t) = P0e^-0.3t grams of radioactive substance are present after t seconds. If 200 grams of substance are present initially, how much is present after 4 seconds? What is the half-life of the substance?

    asked by Freud Mark on September 23, 2016
  84. Chemistry

    If you have 324 grams KBr and want to produce a 1.48 M solution in water how many grams of water are needed?

    asked by Angela on April 6, 2015
  85. chemistry

    According to reference table G,which substance forms an unsaturated solution when 80 grams of the substance is dissolved in 100grams of hydrogen 2 oxygen at 10 degrees celsius?

    asked by felisha on April 19, 2010
  86. Chemistry

    How would the calculation percent of oxalate of the unknown affected when weighting out the unknown solid the actual mass is .758 grams however the mass is mistakenly recorded as .785 grams

    asked by Karamu on October 6, 2012
  87. Chemistry

    Is the reaction of 8 grams of natural gas and 38 grams of oxygen gas to form 17 grams of carbon dioxide in 19 grams of water consistent with the law of conservation of mass?

    asked by Sparky on February 6, 2015
  88. Physical Science

    Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the substance have very different melting temperatures and densities. The unknown substance is

    asked by Ryan on September 25, 2011
  89. Chemistry

    Consider: C6H12)6 + 6O2-> 6CO2 + 6H2O + Energy a)If I have 90 grams glucose and all is consumed by oxygen, then how many grams of water will be produced? b)How many grams of oxygen will be consumed? c)How many grams of sugar will be burned off if 85 grams

    asked by Lindsey on January 22, 2011
  90. Chemistry

    what is the molality of a solution made up of 20.5 grams of potassium chloride in 750 grams of water?

    asked by Larry on December 14, 2010
  91. Chemistry

    How many grams of Ba(OH)2 must be added to 2.37L of water to make a saturated solution? I got 2.03 grams. Is this correct?

    asked by Tyler on July 17, 2011
  92. chemistry

    what mass in grams of a molecular substance (mole weight=50.0g/mol) must be added to 500g of water to produce a solution that boils at 101.56(degrees)C?

    asked by jimbo on June 26, 2010
  93. chemistry

    how many grams of sodium phosphate were dissolved in 382 grams of water in a 6.0 m solution

    asked by ana on May 3, 2012
  94. Chem

    4.30 grams of NH4Cl is added to 14.5 grams of water. Calculate the molality of the solution

    asked by CHEM on January 20, 2014
  95. Pre Calculus

    Tritium, a radioactive isotope of hydrogen, has a half-life of 12.4 years. Of an initial sample of 69 grams, how much will remain after 75 years? a. 1.5848 grams b. 61.5289 grams c. 0.0000 grams d. 1.0426 grams e. 17.2500 grams

    asked by Jessica Maths on July 6, 2016
  96. chemistry

    If 35.8 grams of LiCl are dissolved in 184 grams of water, what is the concentration of the solution in percent by mass?

    asked by smith on November 29, 2010
  97. Chemistry

    If 45.8 grams of MgO are dissolved in 205 grams of water, what is the concentration of the solution in percent by mass?

    asked by ilyrae on March 21, 2011
  98. Chemistyr

    Eighty grams of sodium nitrate dissolved in 50 grams of water will make what type of solution?

    asked by Kayla Johnson on March 28, 2012
  99. Solutions

    When adding 100mL of water to a solution of 50grams of KI in 400mL of water, the total amount of KI in the new solution will be how many grams? Did I miss something here? The total amount of KI, if no extra is added and none taken away, MUST be 50 grams?

    asked by Kellie on February 25, 2007
  100. Chemistry

    How many grams of barium nitrate is needed to form a solution with 5.00 mass% Ba (NO3)2 in 400 grams of water.

    asked by Vicki on May 14, 2013

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