a density of 1.0 M solution of NaCL

29,738 results, page 67

  1. chemistry

    Bill prepared 5.00-mL of borax solution at 59.2degrees C. He diluted the solution in an Erlenmeyer flask and titrated it to an endpoint with 27.05 mL of 0.500 M HCl. What is the saturation concentration of borate ions? I don't know what to do here. Does it involve a Ksp? Thanks
  2. Chemistry

    A 0.05 N solution of a salt occupying a volume between two platinum electrodes seprated by a distance of 1.72 cm an having an area of 4.5 cm2 has a resistance of 250 ohm. calculate equivalent conductance of a solution
  3. Chemistry

    A 5ml, 10ml, 15 ml, and 20ml Aliquot of 0.010 M sodium salicylate solution was diluted to 100 ml in four different 100ml volumetric flasks with the iron (III)Chloride solution. What are their concentrations.
  4. Chemistry

    1. Chemists define pH as "the negative logarithm of the concentration of protons". In mathematical terms: pH = - log [H+] What is the pH of a solution whose [H+] is 0.0007 M? i got it as 7.0 i know it is wrong 2. What is the [H+] in a solution having a pOH of 6 ? isn't it ...
  5. chemistry

    A solution is made by dissolving 7.084 g of aluminum nitrate, Al(NO3)3, in 123.0 g of water. What is the mass percentage of solute in this solution? this feels like a simple problem but i just don't know. divide the two?
  6. Chemistry

    What is the final concentration of a solution if 15-mL of a 2.4-M solution was diluted to 100-mL and this process was repeated two more times? Please help me how to work out the problem. I am not just looking for an answer. I really want to learn.
  7. chemistry

    Which of the following statements is true concerning the titration of a weak base by a solution of hydrochloric acid? Question 9 options: At the equivalence point, the pH is 7. At the equivalence point, there is excess hydrochloric acid. At the equivalence point, the pH is ...
  8. Chemistry

    Need Help with these two problems 1.One piece of copper jewelry at 111°C has exactly twice the mass of another piece, which is at 36.0°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the calorimeter (c of...
  9. math

    A solution of alcohol and water is a% alcohol where a = 40. The solution is found to contain 32 milliliters of alcohol. How many milliliters total (both alcohol and water) are in the solution?
  10. chemistry 2

    A saturated solution of Mg(OH)2 has a pH of 10.52. What is the Hydronium concentration? Whats the hydroxide concentration? Is this solution acidic,or basic?
  11. MAth answer check

    One solution of kx^2 +6x-k=0 is -3. Find the other solution I have the answer as -1/3 is this right?
  12. Chemistry

    We are using a rotovap to evaporate Hexane from a solution. The temperature of the solution has to remain between 20 to 25 F. What the mm Hg has to be for Hexane?
  13. Math

    How much water mest be added to 6 ounces of a 20% acid solution to obtain a 15% acid solution?
  14. algebra

    How much water mest be added to 6 ounces of a 20% acid solution to obtain a 15% acid solution?
  15. math

    How many liters of water must be added to 10L of a 95% solution of ammonia to make a solution that is a 50% ammonia?
  16. chemistry

    I need a single reagent that I could use to distinguish between Pb(NO3)2 solution and Hg(NO3)2 solution.
  17. math

    chemist has 6liter of 50% acid solution .how much water added to obtain 20% acid solution?
  18. chemistry

    why is the osmotic pressure of 10 mole solution sodium chloride larger than that of sodium nitrate solution
  19. Algebra

    Chemist has 60 g of solution that is 70% acid. How much water should be added to make a solution that is 40% acid?
  20. algebra

    How many kilograms of water must be evaporated from 10kg of an 8% salt solution to produce a 25% salt solution
  21. algebra

    How many kilograms of water must be evaporated from 10kg of an 8% salt solution to produce a 25% salt solution
  22. chemistry

    how do you calculate the molaarity of a water solution of CaCl2, given that 5.04 L of the solution contains 612 g of CaCl2.
  23. Chemistry

    To what volume should you dilute 124 mL of an 8.10 M CuCl2 solution so that 52.0 mL of the diluted solution contains 5.9 g CuCl2
  24. Chemistry

    If 36.00 mL of KMnO4 solution are required to oxidize 25.00mL of 0.02932 M Na2C2O4 solution what is the concentration of KMnO4?
  25. science

    You need 5.00 grams of AgNO3. You have a 1.25 molar solution. What volume of that solution contains 5.00 grams?
  26. Chemistry

    If you mix 40.0 mL of a 0.389 M solution of K2CrO4 with 40.0 mL of a 0.389 M solution of AgNO3, what mass of solid forms?
  27. Chemistry

    A solution is made up by dissolving 14.8 g Na2CO3 · 10 H2O in 110.5 g of water. What is the molality of Na2CO3 in this solution?
  28. chemistry

    To what volume should you dilute 126 ml of an 7.90 M CuCl2 solution so that 49.5 ml of the diluted solution contains 5.9 g CuCl2?
  29. calculate ratios

    Calculate the amount of drug in a ratio solution. How many micrograms are in 1ml of a 1:5000 solution?
  30. chemistry

    to what volume should you dilute 0.100 L of a 15M NaOH solution to obtain a 1.0 M NaOH solution?
  31. pharmacy tech

    Determine the milliliters of water needed to prepare 2 oz of a 10% solution from a 12.5% solution and distilled water.
  32. pharmacy tech

    Determine the milliliters of water needed to prepare 2 oz of a 10% solution from a 12.5% solution and distilled water.
  33. Chemistry

    Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) If 2.00 g of Mg reacts completely with 50.0 mL of HCl solution, what is the molarity of the HCl solution?
  34. Chemistry

    A solution contains 153g Na3PO4 and 415g H2O. What is the percentage concentration of Na3PO4 in this solution
  35. chemistry 105

    to what volume should you dilute 20 mL of a 10 M H2SO4 solution to obtain a 0.130 M H2SO4 solution?
  36. chemistry 105

    to what volume should you dilute 20 mL of a 10 M H2SO4 solution to obtain a 0.130 M H2SO4 solution?
  37. chemistry

    What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
  38. Chemistry

    Prepare a 0.025M solution of Glucose by diluting a 1M Glucose solution. What and how much did you mix together?
  39. Chemistry

    Calculate the osmolarity of a 2.0 × 10-3 M Na3PO4 solution. Na3PO4 is an ionic compound and produces an electrolytic solution.
  40. chem

    mix 35.50 mL of a 0.201 M solution of K2CrO4 with 35.50 mL of a 0.201 M solution of AgNO3, what mass of solid will form?
  41. chemistry

    What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
  42. chemistry

    What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
  43. organic chemistry

    If you are given a 6.75% (wt./vol.) NaOCl solution, how many grams of NaOCl are in 100 mL of the solution? how do you do this please???
  44. math

    The IV dose of mannitol is 1.5g/kg, administered as a 15% solution. How many mls of the solution should be administered to a 150lb patient?
  45. algebra

    How much water should be added to 20oz of a 15% solution of alcohol to dilute it to s 10% alcohol solution?
  46. Chemistry

    what mass of AgBr is formed when a solution containing 3.45 g of KBr is mixed with a solution containing 7.28 g AgNO3?
  47. chemistry

    What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
  48. Algebra

    A chemist has 40 ml of a solution that is 50% acid. How much water should be added to make a solution that is 10% acid?
  49. algebra

    solve the equation(enter solution from smallest to largest. if there no solution enter none) 4x^2=15x+4
  50. science

    What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
  51. chemistry

    What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
  52. chemistry

    A student has a solution with a mole fraction of 0.20 of chloroform in carbon tetrachloride. What is the molality of chloroform in the solution?
  53. Chemistry

    What is the molarity of a nitric acid solution if 43.33 mL of 0.10000 KOH solution is needed to neutralize 20.00 mL of the acid?
  54. science:Chemistry

    Find the pH of a solution obtained by mixing 100cm3 of 01MHCl solution with 100cm3 of 0.2M NaOH
  55. chemistry

    What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
  56. Chemistry

    What is the concentration (in M) of an ammonia (NH3) solution if 12.23 grams of ammonia are dissolved to make a 520 mL solution?
  57. Chemistry

    What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
  58. chemistry

    to what volume should you dilute 0.100L of a 15M NaOH solution to obtain a 1.0M NaOH solution
  59. Math

    Simplify or solve as appropriate. Enter ns if there's no solution or all if the solution is all real numbers. 2 - 3(x + 5)) = 10 X = -7.6 7z + 6 - 2(z + 3) 5 * z 1/2x - 5 = 3/4x + 7 X = -48
  60. Math

    I have a graph which is graphed by the equation f(x) = |x| - 4 and I'm asked to find the solution to the equation f(x) = 0. What would the solution be?
  61. chemistry

    To what volume should you dilute 60mL of a 12.0M H2SO4 solution to obtain a 1.85M H2SO4 solution?
  62. chemistry lab

    what is the number of moles of a 0.05 M KMnO4 solution that react with 20 ml of a 0.02 M solution of FeCl2 if 75 ml of KMnO4 was required
  63. chemistry

    You want to prepare 500 ml of 1.0M acetic acid from a 17.4 M stock solution.What volume of stock solution is required?
  64. chemistry

    . What would be the molarity of the solution produced when 276 mL of 6.00 M NaOH is combined with 125 mL of a 2.00 M NaOH solution?
  65. Math

    A 7(1/2)% strength solution has been prepared. a) How many grams of medication are in the 7(1/2)% strength solution how do I setup this question?
  66. Chemistry

    A solution contains 14% by mass of h2so4.find the number of moles of h2so4 in 155g of solution
  67. chemistry

    A solution is made by mixing 25 mL of .35 M LiOH with 15.5 mL of .2225 M NH3. Kb=1.8x10^-5 for NH3 Calculate the pH for the solution.
  68. math

    Find a cubic polynomial p(x) so that the solution of p(x) ≤ 0 is [-2,1] or [4,∞). Is your polynomial the only one that gives this solution? Explain.
  69. Chemistry

    A 0.1L 0.5M solution of sulphuric acid is mixed with 0.2L 0.1 M phosphoric acid , the concentration of H+ ions in the resultant solution?
  70. Math

    Please check my answers 1. Which ordered pair is a solution of y=x-4? My answer is B (0, -3) 4.Which equation has (2,-1) as a solution My answer is D y=-2x+1
  71. algebra

    what is the solution for 3x=27-15x and what is the solution for 7(2-m)=3m
  72. Algebra 1B

    ax^2+bx+c=0 solution: 9, only solution
  73. physics

    What is a solution? What are the 2 parts of a solution
  74. science

    How many ml of a 2% solution will 20 ml of a 10% solution make?
  75. Chem Help :(

    What is the pH of a solution in which [H3O^+] = 6.8 x 10^-5 M? What is the pH of a solution in which [OH^-] = 2.5 x 10^-9 M?
  76. Math

    3.) What is the solution to -33+m=10? 4.) what is the inverse to 38 5.) What is the solution to y+7=-9
  77. Algebra

    What is the solution to 5q=-75? A. q=-25 B. q=-15 C. q=15 D. q=25 what is the solution to r/-3=12? A. r=-36 B. r=-4 C. r=4 D. r=36 Is the answers A and D?
  78. Math Please help me and fast

    13. Describe the number of solutions for the equation. 10(x-2)=10x A.) one solution B.) no solution C.) infinite solutions*** 14. Describe the number of solutions for the equation. -2(y-3)=2y-6 A.)one solution B.)no solution*** C.)infinite solutions 18. Solve b-9>20. I don'...
  79. CHEMISTRY TITRATION Q

    The titration of 25.00mL of Ba(OH)2 solution with an aqueous solution of 0.500 M HCl reaches an end point when 30.20 mL of the HCl solution is added. Determine the concentration of M of the Ba(OH)2 solution. Soo 25.00mL=0.025L 30.20mL= 0.0302L moles= MxL (0.500M)(0.0302L)=0....
  80. chemistry

    A reaction mixture is in a 5.4 L flask at 25 oC initially contains only 7.64 grams of acetic acid. (CH3COOH). Set up your I.C.E. table and use it to answer the following questions. HINT: You will need to look up the Ka for this equilibrium reaction. CH3COOH(aq) ¡ê CH3COO-(aq...
  81. CHEMISTRY

    1)If 36 mL of KMnO4 solution are required to oxidize 25 mL of 0.02932 M NaC204 solution, what is the concentration of the solution? 2)A Certain brand of iron supplement contains FeSO4-7H2O with miscellaneous binders and fillers. Suppose 22.93 mL of the KMn04 solution used in ...
  82. CHEMISTRY

    1)If 36 mL of KMnO4 solution are required to oxidize 25 mL of 0.02932 M NaC204 solution, what is the concentration of the solution? 2)A Certain brand of iron supplement contains FeSO4-7H2O with miscellaneous binders and fillers. Suppose 22.93 mL of the KMn04 solution used in ...
  83. science

    a glass is partially filled with water. Five ice cubes are placed in the glass, causing the level of the water to reach the rim of the glass. Which of the following statments best explains the increase in water level? A)The volume of the sumerged ice is equal to the volume of ...
  84. chemistry

    Calculate the enthalpy of change, Delta H of rxn, for each of the reactions. record the values in the data table part 2 I calculated the heat of rxn of the HCl +NaOH------NaCl + H2O. How do i go from here to enthalpy of change
  85. Chemistry

    Calculate the mass of baking soda, NaHCO3, needed to neutralize 3.0 mL of 3.0 M hydrochloric acid, HCl(aq). Ok, so I'm super confused. I have the equation, but I'm stuck with what to do with it. Equation: NaHCO3 + HCL --> NaCl + H2O + CO2
  86. Chemistry

    When 9.08 times 10^5 grams (one ton) of sodium chloride are electrolyzed in the commerical production of Chlorine, 5.24 times 10^5 grams of Chlorine are produced: 2 NaCl (aq) + 2 H2O (l) >>H2 (g) + Cl2 (g) + 2 NaOH (aq). Calculate the percentage yield.
  87. Chemistry

    When 9.08 times 10^5 grams (one ton) of sodium chloride are electrolyzed in the commerical production of Chlorine, 5.24 times 10^5 grams of Chlorine are produced: 2 NaCl (aq) + 2 H2O (l) >>H2 (g) + Cl2 (g) + 2 NaOH (aq). Calculate the percentage yield.
  88. chemistry

    A 12.42 gram sample of a mixture of NaCl and CaCl2 is dissolved in water and all the chloride is precipitated as AgCl. If the AgCl precipitate has a mass of 31.70 grams. How do I find the mass percentage of each component in the original mixture?
  89. chemistry

    1.000 g of bronze was dissolved in the mixture of acids. The solution was transferred into 100 ml volumetric flask and filled to the mark. 10 ml aliquote of this solution was transferred into another 100 ml flask and diluted to the mark. 10 ml of the resulting solution was ...
  90. Chemistry

    Ammonia has the formula NH3. Household ammonia is a dilute aqueous solution of NH3 . Aqueous ammonia is a base that can neutralize acids. If 18.4mL of 0.800 M HCl solution are needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ...
  91. science

    what is the formula for calculating density?
  92. Science

    What is the relationship of temperature to density?
  93. science

    what is density explian with exemples
  94. Chemistry

    what is the density that has a mass of 77.0 g and a volume of 36 mL?
  95. Chemistry

    what is the density that has a mass of 77.0 g and a volume of 36 mL?
  96. geo

    what is china's population density?
  97. chemistry

    what is the density of O2 gas at STP
  98. college chemistry

    density of sulphur
  99. chemistry

    How to find the density of mercury
  100. Science

    What is the formula for calculating density?
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