a density of 1.0 M solution of NaCL

29,825 results, page 53
  1. chemistry

    What is the quantity of material of NH4Cl that should be added to a solution 0.1 of NH3 to form 1L of a solution with ph 8? Kb = 1, 8x10 ^-5
  2. 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?
  3. Cheimistry

    how much water must be added to a 30ml of 0.5M KOH solution to produce a solution whose concentration is 0.45M?
  4. chemistry

    1L of a .2M solution of Ethanoic acid is altered by adding 5.00g of sodium butanoate. what is the pH of the new solution
  5. ap chemistry

    If 4.50 g of (NH4)2SO4 is dissolved in enough water to form 250. mL of solution, what is the molarity of the solution?
  6. Chemistry

    if 5.00 ml of 1.66x10^-1 M HCl solution is diluted to exactly 250.0 ml with water, what is the concentration of the resulting solution?
  7. Chemistry Homework Help

    d 25 ml of 0.15 M HCL solution be added to 250 mL of buffer solution containing 0.25M HF Ka-7.1 x 10, and 0.40 M NaF at a pH of 3.15 what is the new pH?
  8. Chemistry 104

    A current of 3.40 A is passed through a Ni(NO3)2 solution for 1.80 hours. How much nickel is plated out of the solution?
  9. Chem

    How many moles of NaOH would you need to add to 800 ml of a 0.4 M H2CO3 solution in order to bring the pH of the solution to 10.5?
  10. pharmacy math

    if 500 ml of a 15% solution is diluted to 1500 ml, how would you label the final strength of the solution?
  11. chemistry

    A solution was prepared by dissolving 43.0 of in 225 of water. Calculate the mass percent of in the solution.
  12. chemistry

    85.0 grams of potassium bromide are to be used to produce a 0.300M solution. What will be the total volume of this solution?
  13. Please Help Me With This Chemistry HW Question!

    Should 25 ml of 0.15 M HCL solution be added to 250 mL of buffer solution containing 0.25M HF Ka-7.1 x 10, and 0.40 M NaF at a pH of 3.15 what is the new pH?
  14. Chemistry

    If 38.33 mL of a standard 0.1667 M Ba(OH)2 solution is required to neutralize exactly 52 mL of H2SO4, what is the molarity of the acid solution?
  15. chemistry

    Suppose you wanted to dissolve 40.0 g of NaOH in enough H20 to make 6.00 L of solution and what is the molarity of the solution?
  16. chemistry

    What is the pH of a solution if 100.0 mL of the solution is 0.23 M with respect to acetic acid and contains 1.71 g of sodium acetate, NaCH3CO2?
  17. Chemistry

    What volume (L) of 0.256 M potassium hydroxide solution would just neutralize 61.3 ml of 0.167 M H2SO4 solution?
  18. chemistry

    calculate the hydronium ion concentration in an aqueous solution that contains 2.50x10^-6M in hydroxide solution
  19. mcckc.edu

    A 0.10MNaCl solution is blank (iso/hypo/hypertonic) to a 0.10M glucose solution
  20. chemistry

    How much of a 0.23 M NaOH solution is needed to neutralize 27 mL of a 0.85 M sulfuric acid solution? The units are mL. Can you please explain why you did what did Thank you
  21. Chemistry

    A beaker contains 50.0 mL of 0.952 M solution of a diprotic acid. How many grams of Mg(OH)2 are required to neutralize this solution?
  22. chemistry

    At 20°C, a solution contains 120 g of NaNO3 in 100 g of water. Is this solution saturated, unsaturated, or supersaturated?
  23. Chemistry

    What volume of a 0.125 M solution of NaOH is needed to neutralize 25.0 mL of a 0.285 M solution of HCL
  24. Chemistry

    If the mole fraction of ethanol in aquas solution is 0.05 . Calculate morality of solution ? Explain it's.
  25. Honors Chemistry

    what volume of solution does a 3.0 molar solution need to have in order to contain 1.8 moles of sodium sulfate?
  26. chemistry

    A beaker contains 50.0 mL pf 0.953 M solution of a diprotic acid. How many grams of Mg(OH)2 are required to neutralize this solution?
  27. 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?
  28. Chemistry

    The pH of a nitric acid solution is 1.2. What is the concentration of nitrate ion in the solution? Any help would be greatly appreciated, Thank you!!
  29. Chemistry

    What volume (L) of 0.256 M potassium hydroxide solution would just neutralize 61.3 ml of 0.167 M H2SO4 solution?
  30. chemistry

    a solution is prepared by dissolving 02.50 mole of Ba(OH)2 in enough water to get 4.00 L of solution. What are the OH- and H3O+ molar concentrations?
  31. CHEMISTRY

    A concentration cell is constructed of two hydrogen electrodes. The pressure of H2 is 1.00 atm in each hydrogen electrode. One of the electrodes is immersed in a solution with [H+] = 1.0 M and the other in a solution with 0.62 M NH3. What will be the value
  32. Chemistry

    You make 1.00 L of a buffered solution (pH = 5.10) by mixing propanoic acid and potassium propanoate. You have 1.00 M solutions of each component of the buffered solution. What volume of each solution do you mix to make such a buffered solution? propanoic
  33. algebra

    Todd has 1 liter of a 20% sulfuric acid solution. How much of a 12% sulfuric acid solution must he mix with the 1 liter of 20% solution to make a 15% sulfuric acid solution?
  34. Physics

    My professor tells me I'm not using the right formula for this problem. can someone please help me. The formula is not delt p = density x gravity x height The mercury manometer on the right and the pressure transducer on the left are both connected to a
  35. Science

    My professor tells me I'm not using the right formula for this problem. can someone please help me. The formula is not delt p = density x gravity x height The mercury manometer on the right and the pressure transducer on the left are both connected to a
  36. chemistry

    Hi! Can you please check if my answers are correct? And, can you please tell me any other details you think are important to add. Also, the last two questions i have no clue how to answer. can you help? thanks so much! 3.A burning candle produces a
  37. Chemistry

    You isolate an acidic compound in an experiment by first separating it from the organic layer. Then you have a solution containing a salt of an acid. You acidify it using concentrated HCl. A precipitation begins to form while the solution is still basic..
  38. chemistry

    a piece of chalkboard dissolvedin acid solution and the solution bubbled vigorously.The gas caused barium hydroxide solution to form a white precipitate.what is the gas given off?what is the white precipitate?write a chemical equation for the formationof
  39. chemistry exercises

    The concentrated H2SO4 of 155g dissolved in enough amount of water if acidic solution is 2.3L a) what is the mole of H2SO4 b) what is the concentration H2SO4 c) what is the concentration of H+(H3O+) created in the solution d) what is the PH value of
  40. PHYSICS _ please help

    A metal block of volume 1 * 10^3 cm^3 is suspended from a thread as shown in the diagram. It is lowered into a beaker of liquid of unknown density until it is completely immersed but does not touch the bottom of the beaker. The beaker rests on a balance.
  41. Chemistry

    1000 g of a 50% (mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution. How many liters of water should be added to the starting solution? Please show me the detail answer
  42. Chemistry

    1000 g of a 50% (mass percentage) nitric acid solution is to be diluted to 20%(mass percentage) nitric acid solution. How many liters of water should be added to the starting solution? Please show me the detail answer
  43. Chemistry

    Urgent... Someone please help!! Can someone please check to see if I am doing these correctly, I have a test tomorrow... Thank you :) Q) Calculate the new molarity of a 35mL sample of 0.450 M CaCl2 solution that is diluted with enough water to make 250 mL
  44. Math

    A 9 percent salt-water solution is mixed with 4 ounces of an 18 percent salt-water solution in order to obtain a 15 percent salt-water solution. How much of the first solution should be used?
  45. chemistry 105

    Complete and balance each of the following equations, some may have no reactions. NaNO3(aq)+KCl(aq)--> NaCl(aq)+Hg2(C2H3O2)2(aq)--> note that Hg(I)^+1 interacts with another Hg(I)^+1 ion to produce the cation Hg2^2+ (NH4)2SO4(aq)+CuCl2(aq)-->
  46. chemistry urgent

    I think I balanced these equation right please check and let me know. i am suppose to complete and balance the equations representing the reactions. NaHCO3 (s) + HCL (aq) >>>> NaCl + 2CO+H2O CaCo3 (s) + HCL (aq)>>> CaCl + CO3H Thanks
  47. Chem

    Could someone explain to me how to prepare (a) zinc chloride by an acid-base reaction and (b) by a gas formation reaction. If the starting materials available are ZnCO3, HCL, CL2, HNO3, NaCL, Zn(NO3)2, and Zn. Thanks so much for any info.
  48. Chemistry

    In which reaction does the oxidation number of oxygen increase? a. Ba(NO3)2+K2SO4--->BASO4+2KNO3 b. HCL+ NaOH---> NaCl+H20 c. Mg0+ H20---> Mg(OH)2 d. 2SO2+02---> 2SO3 e. 2H2O---> 2H2+O2
  49. Math

    What volume, in ml, of a 60% of HCl acid solution must be added to 100 ml of a 30% HCl solution to make a 36% HCl solution. We need 2 alegabreic (?) equations. The first I can get is: 0.36x - 0.60y = 100ml (this is probably wrong)? Blah. I can't get the
  50. Statistics

    Joint probability density function is: x + y where 0<x<1 and 0<y<1 (0 elsewhere) Find variance of (30x + 25y) Answer is 11.48 --- My calculations Marginal probability density functions (same for x and y): f(x) = x + 1/2 over 0<x<1 f(y) =
  51. chemistry

    a student determines the molar mass of methanol by the method used in this experiment. she found that the equilibrium temperature of a mixture of ice and pure water was .4 degrees Celsius on her thermometer. when she added 10g of her sample to the mixture,
  52. Moorpark

    A solution contains an unknown mass of dissolved barium ion. When sodium sulfate is added to the solution, a white precipitate forms. The precipitate is filtered and dried and then found to have a mass of 210 mg. What mass of barium was in the original
  53. Chemistry (reaction with amine)

    Phenol dissolved into sodium hydroxide solution to give another solution A. What would be formed when A reacted with phenylamine/nitrous acid mixture , butylamine/nitrous acid mixture and ammonia/ nitrous acid respectively ? The resulting solution were
  54. Algebra

    Solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the original logarithmic expression. ln ã(x+4)=1 What is the exact solution? Select the correct choice below and, if necessary, fill in the answer box to
  55. Chem Problem

    Help Please? In the preparation of a mustard solution, an individual package of mustard was emptied into a beaker and the mass was determined to be 3.809 grams. The mustard was then dissolved in 50.0 ml. of distilled water. The total mass of the solution
  56. chemistry

    explain why the pure solvent shows a level horizontal curve as solidification occurs, but the curve for the solution slopes downward slightly. The solvent is BHT and the added particles are an unknown compound. My reasoning is that it happens because the
  57. chemistry

    2.) If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. These H+ ions are
  58. Chemistry

    A 5.00-gram sample of glucose, C6H12O6, [molar mass = 180.] is dissolved 10.0 grams of water What is the molality of the glucose solution? Calculate the boiling(BP) and freezing points(FP) of this solution to the nearest 0.1 C°. The vapor pressure of pure
  59. chemistry

    2.) If you pass 10.0mL of a 50.0mL solution of [Co(en)2Cl2]Cl that has been reduced with Zn through a cation exchange column, you will obtain a solution that has three H+ ions for every Co3+ ion that was originally present in the sample. These H+ ions are
  60. Chemistry

    Why is energy released in order to react two atoms to form a compound? For instance the reaction between sodium metal and chlorine gas is highly exothermic and produces NaCl(s). Meanwhile when an atom loses an electron, it will be endothermic. Can someone
  61. physics

    the density of a cube is measured by it's mass and length of it's side if the maximum error in the measurement of mass and length are 3% and 2% respectively. the maximum error in the measurement of density of cube is?
  62. AP CHEMISTRY

    A solution is prepared in which a trace or small amount of Fe2+ is added to a much larger amount of solution in which the [OH-] is 1.0 x 10^-2 M. Some Fe(OH)2 precipitates. The value of Ksp for Fe(OH)2 = 8.0 x10^-10. A. Assuming that the hydroxide is 1.0 x
  63. Chemistry

    If 1.0 mL of 6.0M HCl is added to 499 mL of water to give exactly a 500 mL solution, what is the molarity of the dilute solution?
  64. chemistry

    What is the pH of a solution in which 378 mL of HCL, measured at 27.5 degrees celcius and 1.02 atm, is dissolved in 1.5 mL of aqueous solution?
  65. chemistry

    a 10.0 ml sample of a hcl solution is titrated with 32.6 ml of a 0.155 m naoh solution. what is the equation for the neutralization reaction?
  66. chemistry

    How many grams of I2 are present in a solution if 33.75mL of 0.140M Na2S2O3 solution is needed to titrate the I2solution?
  67. chemistry

    calculate the molar concentration of substance in a solution containing 5,85g of Nacl2 in 200cm cube solution
  68. chemistry

    What volume of a 0.34M MgCL2 solution is required to make 250ml of a 0.10M solution by dilution?
  69. chemistry

    A solution of acid was found to have a pH of 1.60. What is the hydrogen ion concentration of the solution? (3 sig.fig) [H+(aq)] = ? mol dm–3
  70. chemistry

    23.9 g of CaCl2 (MM = 111.0 g/mol) is dissolved in enough water to make 300. mL of solution. What is the molarity of the solution?
  71. chemistry

    You dissolved 14.08 g of CuCl2 (MM = 135 g/mole) in enough water to make 266 mL of solution. The concentration of this solution is:
  72. science

    0.63 gm of oxalic acid (COOH)2 2H20 are dissolved in 500 ml of solution. Calculate the molarity of the solution?
  73. Chemistry

    calculate the volume of the 3.0 M stock solution needed to make a diluted 30mM solution in 400ml
  74. chemistry

    you dissolve 0.70 moles of HCI in enough water to prepare 250ml of solution. what is the molarity of the solution you have prepared
  75. chemistry

    Calculate the molarity of a solution made by diluting 0.200 L of 1.00M HCl solution to a volume of 1.00 L
  76. Chemistry

    When 28.2706 grams of solute are used to make a 932 mL solution of potassium hydroxide, what is the concentration of the solution?
  77. science P2

    calc the volume of solution that contains 5,3 g of sodium carbonate if the solution has a concentration of 0,4 mol-dm (to the power of minus 3)
  78. math

    Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8
  79. chemistry

    3.21 g of calcium carbonate is dissolved into 250.0 mL of water to make a homogenous solution. What is the concentration os this solution?
  80. chemistry

    3.21 g of calcium carbonate is dissolved into 250.0 mL of water to make a homogenous solution. What is the concentration os this solution?
  81. chemistry

    A solution is labeled 0.450 m magnesim nitrate. Calculate the concentration of each ion present in solution.
  82. math

    Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8
  83. algebra

    I need help with these problem someone told me that you was not helping them. Please help me!! 5/4x +1/8x=11/8 +x The solution is x= Solve by the elimination method. 4x +5y=5 8x +10y=10 What is the solution of the system.
  84. MATH HEPL

    solve (+14)(x-17)(x+6)>0 I have a solution for x>17 but the answer on my paper asks for a solution set {xline x } help how do I write this
  85. Chemistry

    Calculate the pH of a solution prepared by dissolving 12.2 g of benzoic acid in enough water to produce a 500 mL solution. Ka = 6.3 x 10^-5
  86. Chemistry

    Show that the pH of a solution is -0.301 when its hydronium-ion concentration equals 2 M. Is the solution acidic or basic?
  87. math

    if an iv dose of mannitol is 1.5g/kg,administrated as 15% solution.how many mls of the solution should be administered to 150 pound patient
  88. Chemistry

    An unbuffered solution contaning 0.000018 M HCl .Calculate PH after adding 1 mL of 0.1 M NaOH to 100 mL of solution.
  89. chem

    What volume of a 0.430 M NH4I solution is required to react with 289 mL of a 0.560 M Pb(NO3)2 solution?
  90. chemistry

    how many grams of Ag2CO3 will precipitate when excess Na2CO3 solution is added to 64.0 mL of 0.554 M AgNO3 solution?
  91. Chemistry (science)

    I don't know how to answer this. An aqueous solution of glucose has a freezing point of -0.37. What is the concentration of the solution?
  92. science

    What is the Molarity of a solution formed by mixing 10.0g H2SO4 with enough water to make 100.0mL of solution?
  93. science

    What is the Molarity of a solution formed by mixing 10.0g H2SO4 with enough water to make 100.0mL of solution?
  94. chemistry

    8.00g of NaOH are dissolved in water to make 4.00 of solution. What is the concentration of hydronium ions, , in this solution?
  95. Chemistry

    how would a dilution be performed, starting with a concentration .50 M Cacl2 solution, to obtain 250ml of a .060M solution?
  96. Chemistry

    calculate the pH of a solution after .054 moles of KOH is added to a 1.0L buffer solution of .25M HF (Ka=7.1 x 10^-4) and .10M KF
  97. Science

    If you have a 12M container of HCl avaliable. How much of this solution is needed to make up a 5.0L solution of 0.10M concentration?
  98. Chemistry

    If you make a solution in the laboratory that contains 0.1 M acetic acid (CH3COOH), what concentration of hydronium will you have once the solution equilibrates?
  99. Chemistry-Confused!!

    You have 10mL of a 1.0 M Ba(OH)2 solution and add it to 2.5L of water. What is the concentration of hydroxide ions in the diluted Ba(OH)2 solution?
  100. Chemistry

    how would a dilution be performed, starting with a concentration .50 M Cacl2 solution, to obtain 250ml of a .060M solution?