1. Chemistry

    Calculate the molarity of Na2C204 solution prepared by dissolving 1.2222 grams of pure Na2C204 in enough water to make 500.00 mL of solution.

    asked by Ashley(please help!!!!) on October 26, 2011
  2. Chemistry

    Calculate the molarity of Na2C204 solution prepared by dissolving 1.2222 grams of pure Na2C204 in enough water to make 500.00 mL of solution.

    asked by Ashley(please help!!!!) on October 26, 2011
  3. Analytical Chemistry

    A solution is prepared by dissolving 0.2222 (¡¾0.0002) g of KIO3 in 50.00 (¡¾0.05) mL. (i) Calculate the molar mass of KIO3 with its associated uncertainty to the correct number of significant figures. (ii) Find the molarity and its uncertainty with an

    asked by Matt on February 28, 2017
  4. chemistry

    A solution is prepared by dissolving 0.2222 (¡¾0.0002) g of KIO3 in 50.00 (¡¾0.05) mL. (i) Calculate the molar mass of KIO3 with its associated uncertainty to the correct number of significant figures. (ii) Find the molarity and its uncertainty with an

    asked by Hobson on March 28, 2010
  5. Chemistry

    Hi I just need help with question (ii) and (iii), i know how to work out (i) A solution is prepared by dissolving 0.2222 (±0.0002) g of KIO3 in 50.00 (±0.05) mL (i) Calculate the molar mass of KIO3 with its associated uncertainty to the correct number of

    asked by Jenny on March 26, 2010
  6. Chemistry

    Calculate the molarity of a solution prepared by dissolving 10.0 grams of NaOH and then diluting the solution to 500mL.

    asked by Anonymous on November 9, 2015
  7. Chemistry

    Calculate molarity of HNO3 please help? Calculate molarity of HNO3 prepared by dissolving 22.3 grams of HNO3 in water to make 875 ml of solution... Please help I'm stuck

    asked by Alex on May 8, 2014
  8. chemistry help asap please

    You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l.

    asked by David on January 9, 2017
  9. CHEMISTRY

    You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l.

    asked by Jason on January 9, 2017
  10. chem

    A solution is prepared by dissolving 75.0 grams of sucrose (C12H22O11) in enough water to produce 1.00L of solution. What is the molarity of this solution?

    asked by antu on December 3, 2012
  11. Chemistry

    a solution is prepared by dissolving 15.0 grams of ni(no3)2 in enough water to make 250 ml of solution what is the molarity of this solution

    asked by Madison on February 25, 2016
  12. chemistrey

    What is the molarity of a solution prepared by dissolving 8 grams of BaCl2 in enough water to make a 450.0 mL solution?

    asked by Anonymous on March 7, 2013
  13. Chemistry

    What is the molarity of a solution prepared by dissolving 5.86 grams of naoh in enough water to make 250 milliliters of solution

    asked by Talia flores on May 9, 2013
  14. Chemistry

    What is the molarity of this dichromate solution? A potassium dichromate solution of an unknown molarity was used to titrate a solution of FeSO4 prepared by dissolving a 0.350g of pure iron wire in H2SO4 and reducing the FE3+ produced to FE2+. 36.24 mL of

    asked by ANONYMOUS on December 2, 2012
  15. chemistry

    The molarity of a solution prepared by dissolving 15.0 grams of NaCl in 100 mL water is 0.15 M. True or False

    asked by Anonymous on December 5, 2011
  16. CHEMISTRY

    Dye of iodine is prepared by dissolving in ethanol , and 1% ( one percent ) of this solution contains 10 g of solute in 1000 g of solution 1) how many grams of solvent is there in the solution ? 2) how many moles of solute ( I2) is there? 3) what is the

    asked by MAD on July 12, 2014
  17. Chemistry

    Can someone link me videos and sites that can teach me the formula to solve these? Or try to help me understand how to solve these? 1.You have 200g of a radioisotope . If the half-life of this radioisotope is 20 days, how many grams will remain after 40

    asked by Samantha on May 16, 2018
  18. Chemistry

    Question: When 1.97 grams of Pb(OH)2(s) is added to 1.00 liter of pure water at 25 C a saturated solution (some solid is present) is formed that has a pH of 8.97. Compute the Ksp value for Pb(OH)2 using the data. How do i go about getting the Molarity from

    asked by Eliz on May 12, 2009
  19. chemistry - science

    calculate molarity of NaOHin the solution prepared by dissolving its 4g in enough water to form 250ml of this solution ?

    asked by tania on February 17, 2012
  20. Chemistry

    A solution is prepared by dissolving 4g of sodium hydroxide who give 500ml of it.calculate the molarity of the solution.

    asked by Anonymous on May 8, 2018
  21. chemistry

    calculate the molarity of a solution prepared by dissolving 5g of sodium hydroxide in water to make 1l of solution

    asked by dann mavado on May 11, 2011
  22. chemistry

    calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.9g in enough water to form 250ml of solution

    asked by MeGaTrOn on May 12, 2017
  23. chemistry

    calculate the molarity of the solution prepared by dissolving 16.45g NH4NO3 in water to make 250.mL solution.

    asked by hunter on March 16, 2014
  24. chemistry

    calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.3g in enough water to form 250ml of solution

    asked by MeGaTrOn on May 11, 2017
  25. chemistry

    calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.3g in enough water to form 250ml of solution

    asked by MeGaTrOn on May 11, 2017
  26. chemistry

    Calculate the molarity of a solution prepared by dissolving 25.0 g NaCl in 1.0 L solution.

    asked by Marilyn on April 6, 2011
  27. chem

    A solution is prepared by dissolving 25 grams of sodium sulfate in enough water to give a total volume of 500. mL. The molar mass of sodium sulfate is 142 grams per mole. What is the molarity of the solution?

    asked by jennifer on November 15, 2012
  28. chemistry

    Calculate the molarity of a solution that is prepared by dissolving 23.35g of CaCl2 in a sufficient amount of water to make a 600 mL solution.

    asked by katie on May 8, 2008
  29. chemistry

    Calculate the molarity of a solution that is prepared by dissolving 23.35g of CaCl2 in a sufficient amount of water to make a 600 mL solution

    asked by katie on May 8, 2008
  30. Chemistry

    Calculate the molarity of a solution prepared by dissolving 16 g of urea, NH2CONH2, in 39 g of H2O. The density of the solution is 1.3 g/mL. I've tried this question so many times but I keep getting it wrong please help me

    asked by danielle on September 30, 2013
  31. Chemistry

    250ml solutions is prepared on dissolving 20g NaOH. Calculate the molarity of solution

    asked by Diwaker on July 25, 2016
  32. chemistry

    a solution is prepared by mixing 1.0 grams of benzen(c6h6) in 100g of water to create a solution total volume of 100ml.calculate the molarity,mass percent,mole fraction and molarity of benzene in the solution

    asked by john on August 26, 2014
  33. Chemistry RUSH, Please

    1) How many grams of CH4 (MM = 16.043) are needed to react with 50.0g of CL2 (MM=70.91)? 2) What is the molarity of a solution prepared by dissolving 20.0 g of methanol, CH3OH, oara sufficient water to prepare 500 mL of solution? Show calculations

    asked by Maria on October 9, 2015
  34. chemistry

    what is the molarity of a solution prepared by dissolving 2.24 grams of NaOH in enough deionized water to obtain 500.0ml of solution?The molar mass of NaOH is 40.0g

    asked by denis on October 31, 2011
  35. chemistry

    what is the molarity of a solution prepared by dissolving 2.24 grams of NaOH in enough deionized water to obtain 500.0ml of solution?The molar mass of NaOH is 40.0g

    asked by denis on October 30, 2011
  36. Chemistry

    An aqueous solution with a density of 0.998 g/ml at 20 degrees Celsius is prepared by dissolving 12.8 mL of CH3CH2CH2OH (p=0.803 g/mL) in enough water to make 75.0 mL of solution calculate the molarity

    asked by Jessica on October 1, 2011
  37. chem

    The molarity and the molality of a solution prepared by dissolving 2.00 g of ethanol C2H5OH with 100.0 g of water to give a final volume 102 mL are would i just add both the grams and divide by 102 for molarity? and molalty i would just add the mass?

    asked by so on August 8, 2008
  38. chemistry

    A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 13.4 mg of fluoxymesterone in enough water to give a total volume of 500.0 mL. A 100.0-µL aliquot

    asked by quincy on November 27, 2013
  39. chem

    A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 13.0 mg of fluoxymesterone in enough water to give a total volume of 500.0 mL. A 100.0 µL aliquot

    asked by mel on November 4, 2007
  40. chemistry! URGENT

    A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 10.0 mg of fluoxymestrone in enough water to give a total volume of 500.0 ml. A 100.0 micro liter aliquot

    asked by Lindsay on December 7, 2011
  41. Chemistry

    Can someone help me with these two questions? Thank you! a.) Describe (give instructions) how you would prepare 7.00 L of 0.750 M K2CrO4 from a 2.25 M K2Cro4 stock solution b.) A stock solution containing Ba2+ ions was prepared by dissolving 23.0 grams of

    asked by Anonymous on June 11, 2015
  42. chemistry

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution.

    asked by Anonymous on January 17, 2013
  43. chemistry

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution.

    asked by Anonymous on January 17, 2013
  44. Chemistry

    Calculate the molarity of a solution made by dissolving 16.0 grams of Na2CrO4 in enough water to form exactly 555 mL of solution.

    asked by Sam on March 13, 2013
  45. chemistry

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution.

    asked by Anonymous on January 17, 2013
  46. Chemistry

    calculate the molarity of a solution made by dissolving 0.750 grams of Na2SO4 in enough water to form exactly 850 mL of solution.

    asked by Anonymous on October 16, 2012
  47. chemisrty

    Q4) Suppose you prepare 950 mL of a solution by dissolving 100 grams of NaCl in 900 mL of water. Assuming the density of pure water to be 1 g/mL, answer the following questions with regards to this solution: a) What is the mass percent of water in this

    asked by lyan on January 16, 2012
  48. CheMistry

    A stock solution was prepared by dissolving exactly 0.4000 g of pure ASA (180.16 g/mol) in 10.00 mL of NaOH and heating the solution to a gentle boil. After cooling to room temperature, the solution was poured into a 250-mL volumetric flask and diluted to

    asked by ChEm on April 19, 2010
  49. science

    A solution of NaOH(molar mass 40g mol-1)is prepared by dissolving 1.6g of NaOH in 500 cm cube of water.Calculate molarity(M) of the solution

    asked by Divya on April 6, 2013
  50. 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
  51. Chemistry

    Calculate the molarity of a solution made by dissolving 0.680 grams of Na2SO4 in enough water to form exactly 940 mL of solution. Please show me how to solve

    asked by Veronica on October 7, 2010
  52. CHEMISTRY

    You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium

    asked by David on January 10, 2017
  53. CHEMISTRY URGENT

    1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium

    asked by Anonymous on January 9, 2017
  54. Chemistry

    1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium

    asked by David on January 10, 2017
  55. ap chemistry

    a solution is prepared by dissolving 4.9 g C12H22 O11 (nonelectrolyte) in 175 grams of water. calculate the freezing poitn and osmotic pressure (25C) of this solution.

    asked by yeng on January 7, 2015
  56. Chemistry

    Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form 550 mL of solution. While we're at it... How many milliliters of 10.6 M HCl solution are needed to obtain 0.205 mol of HCl? Also... How many grams of solute

    asked by Alex on September 28, 2010
  57. chemistry

    What would be the pH of a solution of hy- poiodous acid (HOI) prepared by dissolving 144 grams of the acid in 200 mL of pure water (H2O)? The Ka of hypoiodous acid is 2¡¿10−11 1. 7 2. 10 3. 13 4. 5 5. 1

    asked by hello on February 26, 2010
  58. chemistry

    A stock solution containing Mn2+ ions was prepared by dissolving 1.168 g pure manganese metal in nitric acid and diluting to a final volume of 1.000 L. Calculate the concentration of the stock solution.

    asked by rachel on August 9, 2012
  59. chemistry

    A solution is prepared by mixing 5.00 grams of compound Z (molar mass 15.00 g/mol) in 100.0 ml of water. The density of the solution is 1.09 g/ml. Calculate the molarity of the solution

    asked by Angela on January 27, 2011
  60. 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
  61. 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
  62. chem

    A solution is prepared by dissolving 15.0 g of pure HC2H3O2 and 15.0 g of NaC2H3O2 in 600 mL of solution (the final volume). What is the pH of the solution?

    asked by Jen on February 22, 2015
  63. general chem

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution. (b) How many moles of KBr are present in 150 mL of a 0.275 M solution? (c) How many milliters of 6.1 M HCl solution are needed

    asked by rob on October 9, 2011
  64. general chem

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution. (b) How many moles of KBr are present in 150 mL of a 0.275 M solution? (c) How many milliters of 6.1 M HCl solution are needed

    asked by rob on October 9, 2011
  65. Chemistry

    A solution of magnesium chloride, MgCl2, is prepared by dissolving 19.0g of MgCl2 in 250 mL OF water. a.) Calculate the weight percent of magnesium chloride in solution. b.)The denstiy of the above solution is 1.05 g/mL. Calculate the molarity of the

    asked by Josh on October 25, 2012
  66. chemistry

    A solution is prepared by dissolving 23.7g of CaCl2 in 375.0g of water. The density of this solution is 1.05g/mL. determine the concentration (molarity) of Cl in solution.

    asked by jim on March 14, 2011
  67. chem

    1. What is the [K+] of a solution prepared by dissolving 0.140 g of potassium hydroxide in sufficient pure water to prepare 250.0 ml of solution? 2. What is the pH of a 0.570 M solution of aniline? Kb = 7.4 × 10-10

    asked by nelson on March 31, 2008
  68. Chemistry

    A saturated solution of MgF2 at 23 degrees C was prepared by dissolving solid MgF2 in 1 L water. The Ksp of MgF2 is 1.5e-5. a.)Calculate the mass of MgF2 dissolved. b.) When .1 mols of solid KF was dissolved in the MgF2 solution, precipitation was

    asked by Anonymous on March 19, 2014
  69. Chem II

    A solution is prepared by dissolving 12.7 g Ca(NO3)2 in enough water to make 100.0 mL of stock solution (molar mass is 164.09-1). What is the molarity of the solution?

    asked by vera on January 24, 2013
  70. CHECK MY CHEMISTRY WORK PLEASE ASAP

    1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium

    asked by David on January 10, 2017
  71. chemistry

    what is the molarity of a solution prepared by dissolving 63.0 g NaF in enough water to make 250.0 mL of solution?

    asked by Gloria on October 16, 2012
  72. chemistry

    What is the molarity of a solution prepared by dissolving 8.5 g NaCl in enough H2O to give 600 ml of solution?

    asked by mica on October 27, 2010
  73. CHEMISTRY

    1. What is the vapor pressure at 25°C of a solution of 1.20g of nephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure of pure benzene at 23°C is 86.0mmHg the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure lowering of

    asked by N COMAS on March 20, 2013
  74. Chemistry

    What is the molarity of a solution prepared by dissolving 2 moles of BaCl2 in enough water to make a 4.0 L solution? M= mols/L a. 0.5 M b. 8.5 M c. 17.1 M

    asked by Anonymous on June 8, 2012
  75. Chemistry

    One liter of Saline solution is prepared by dissolving 25.0 g NaCl in water. Find the molarity of this solution.

    asked by Kristen on February 21, 2012
  76. Chemistry

    1) What is the vapor pressure at 25°C of a solution of 1.20g ofnephtalene C10H8 in 25.6g of benzone C6H6? The vapor pressure of pure benzene at 23°C is 86.0mmHg the vapor pressure of naphthalene can be neglected. Calculate the vapor pressure lowering of

    asked by N comas on March 20, 2013
  77. Chemistry

    A stock solution was prepared by dissolving exactly 0.4000 g of pure ASA (180.16g/mol) in 10.00 mL of NaOH and heating the solution to a gentle boil. After cooling to room temperature, the solution was poured into a 250 ml volumetric flask and diluted to

    asked by Anonymous on February 4, 2008
  78. Chemistry

    A solution is prepared by dissolving 10.8 g of ammonium nitrate in enough water to make 100.0 mL of solution. A 10.0 mL portion of this sample is diluted to 50.0 mL total volume. What is the molarity of the final solution?

    asked by Juan Hernandez on January 8, 2015
  79. chemistry

    what is the molarity of a solution prepared by dissolving 1.25g of hcl in water to make 30 centimeter cube of solution

    asked by hifsa on June 18, 2014
  80. chem!

    A solution was prepared by dissolving 0.163 g of sugar, (C12H22O11 MW = 3423gmol) in 100.00 mL water. What is the molarity of this solution?

    asked by eve on April 13, 2009
  81. Science

    What is the molarity of a solution prepared by dissolving 60 gm of Glucose in 500 gm of water

    asked by Imrul on October 4, 2012
  82. Chemistry

    A solution is prepared by dissolving of pure HC2H3O2 and of NaC2H3O2 in of solution (the final volume). (a) What is the pH of the solution? (b) What would the pH of the solution be if of 0.250 M NaOH were added? (c) What would the pH be if of 0.40 M HCl

    asked by Liam on February 23, 2015
  83. Chemistry

    what is the molarity of a solution prepared by dissolving 222 g of sodium carbonate in enough water to make a solution volume of 3250 mL's?

    asked by Heather on July 10, 2010
  84. Chemistry

    what is the molarity of a solution prepared by dissolving 10.60g of Na2CO3 in enough distilled water to obtain 250.0ml of solution

    asked by Mr Lonnie on February 25, 2018
  85. chemistry

    A stock solution was prepared by dissolving exactly 0.4000 g of pure ASA (180.16 g/mol) in 10.00 mL of NaOH and heating the solution to a gentle boil. After cooling to room temperature, the solution was poured into a 250-mL volumetric flask and diluted to

    asked by Tasha on January 28, 2010
  86. Chem 112

    Calculate the pH of a buffer solution prepared by dissolving 0.12 mole of cyanic acid, HCNO and 0.65 mole of sodium cyanate, NaCNO in enough water to make 1.0 liter of solution. [Ka(HCNO) = 2.0 × 10-4] I know that this question has something to do with

    asked by Bridget on March 21, 2011
  87. chemistry

    What is the molarity (moles per liter) of an aqueous solution that is prepared by dissolving 5.58g NaOH (MW=40) in enough water to make 250mL of solution?

    asked by Kishwa on March 28, 2013
  88. chemistry

    A solution is prepared by dissolving 20.2 {\rm mL} of methanol ({\rm{CH}}_3 {\rm{OH}}) in 100.0 {\rm mL} of water at 25 ^\circ {\rm C}. The final volume of the solution is 118 {\rm mL}. The densities of methanol and water at this temperature are 0.782 {\rm

    asked by aa on July 14, 2012
  89. chemistry

    What is the molarity of a solution prepared by dissolving 2.41 g of potassium iodide, KI in 100 mL of water?

    asked by Ambra on May 6, 2012
  90. Chemistry

    What is the molarity of a solution prepared by dissolving 4.92 g of calicum nitrate in 250 mL of water?

    asked by Ambra on May 1, 2012
  91. chemistry

    A solution is prepared by dissolving 0.5842g of oxalic acid (H2C2O4) in enough water to make 100.0ml of solution. A 10.00ml aliquot (portion) of this solution is then diluted to a final volume of 250.0ml. What is the final molarity of thus prepared oxalic

    asked by NONO on November 18, 2011
  92. chemistry

    A) A solution was prepared by dissolving 1.113 g of MgCl2 into water and made up to 50.0 ml, calculate the molar concentration of the solution. B) A 250.0 ml of 0.50 M solution of Na3PO2 solution was prepared by diluting 2.5 M of stock solution. Calculate

    asked by henry39 on December 24, 2016
  93. please help meDr.Bob

    I would appreciate very much If you guys could show me how to approach this problem. A solution is prepared by dissolving 10.8g of ammonium sulfate in enough water to make 100.0mL of stock solution. A 10.00mL sample of this stock solution is added to

    asked by claudia on September 23, 2007
  94. Chemistry

    What is the molar concentration (M= molarity) of a solution prepared by dissolving 50 g of NaCl in 750ml of water?

    asked by Nene on February 19, 2012
  95. CHEMISTRY

    A buffer was prepared by dissolving 0.40 mol of benzoic acid (Ka=6.3*10^-5) and 0.50 mol of sodium benzoate in sufficient pure water to form a 1.00 L solution. To this solution was added 30.00 mL of 2.00 M HCl solution. What was the pH of the new solution?

    asked by Sally on April 3, 2018
  96. Chemistry

    1.69 L of an aqueous solution containing 25.00 g of KCl dissolved in pure water is prepared. What is the molarity of the solution?

    asked by Lori on April 22, 2011
  97. chemistry

    2.36 L of an aqueous solution containing 39.0 g of KCl dissolved in pure water is prepared. The molarity of the solution is?

    asked by Jen on February 9, 2011
  98. Chemistry

    1.63 L of an aqueous solution containing 25.00g of KCl dissolved in pure water is prepared. The molarity of the solution is?

    asked by Zyler on December 8, 2016
  99. chem

    . (a) A solution was prepared by dissolving 1.4295 g of magnesium chloride (MgCl2) into water and made up to 25.0 mL, calculate the molar concentration of the solution. (3 marks) (b) A 250.0 mL of 0.50 M solution of sodium phosphate (Na3PO4) solution was

    asked by lightning on October 13, 2016
  100. Chemistry

    How many grams of CaCl2 * 6H2O are required to make 500 milliliters of a solution having the same concentration of Cl- as one that was prepared by dissolving 75.6 grams of NaCl in enough water to make exactly 1 liter of solution?

    asked by Anonymous on January 21, 2015