a density of 1.0 M solution of NaCL

29,885 results, page 50
  1. chemistry

    A solution with a pH of 2.0 has a hydronium ion concentration ten times greater than a solution with a pH of?
  2. chemistry

    An aqueos solution is 65%(v/v) rubbing alcohol.How many millimeters of water are in a 95-mL sample of this solution?
  3. Chemistry

    When determining the pH of a solution, will the indicator react with and change the properties of the solution. No, not significantly.
  4. Algebra

    Solve by the elimination method 2r-5s=1 5r+2s=46 The solution is _______, or there are infinitely many solutions, or there is no solution
  5. chemistry

    what is the molarity of solution made from the equivalent of 125 g of sodium nitrate in 1.0 l of solution
  6. Biology

    If a solution A has 10,000 times as many H+ ions as solution B, what is the difference in pH units between the two solutions?
  7. 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?
  8. chemistry

    150 mL of water is added to 50 mL of the solution produced in question 3. Calculate the new pH of the solution.
  9. Chemistry

    What volume of a 0.500 M NaOH solution is needed to neutralize 60.0 mL of 0.15 M HCl solution?
  10. Chemistry

    Calculate pH for strong base solution: 1.100 g of KOH in 550.0 mL of solution
  11. Chemistry

    What is the molarity of a solution containing 20 grams of NaOH in 500 milliliters of solution? a-0.04M b-0.5M c-1M d-2M
  12. Science

    What is the pH of 115 mL of a 1.50 m solution of HNO2 that is titrated with a 1.50 M solution of LiOH at the equivelence point?
  13. Differential Equation

    Find the general solution of t^2y"-3ty'+4y=0 on (0, infinity sign, given that Y1=t^2 is a solution
  14. chemistry

    A 47.7-g sample of SrCl2 is dissolved in 112.5 mL of solution. Calculate the molarity of this solution.
  15. chemistry

    calculate the molarity of a solution containing 0.5050 mol of solute in 400.0 ml of solution
  16. chemistry

    A solution containing 26.05 mg of an unknown protein per 23.5 mL solution was found to have an osmotic pressure of 3.75 torr at 44 C.
  17. Chemistry

    A saturated solution at 25 C contains 10g of kclo3 in 50 ml of water. At what temperature does the solution become unsaturated?
  18. Chemistry

    A current of 4.60 A is passed through a Pb(NO3)2 solution for 1.20 hours. How much lead is plated out of the solution?
  19. MATH214

    Solve each of the following systems, if possible. Indicate whether the system has a unique solution, infinitely many solutions or no solution. x- 2y=3 4y- 2x=0
  20. chemistry

    You have 14.0mL of a 0.12M NaOH solution. How many moles of HCl will it take to neutralize this solution?
  21. Chemistry

    If 7.83 g FeCl3(s) is dissolved in enough water to make 2.50 L of solution, what is the concentration of Fe3+ in the solution?
  22. chemistry

    What volume of a 0.500 M solution should be diluted to make 250 mL of a 0.400 M solution?
  23. chemistry

    If you have 200.0 mL of a 30.0% aqueous solution of isopropyl alcohol, what volume of water is in the solution?
  24. math

    Identify the solution(s) of the system of equations, if any. -2x-4y=1 12y=-6x-3 a) no solution b) (0,-1) c) (-1,0) d) infinitely many solutions
  25. chemistry

    If 5.29 g of CuNO3 is dissolved in water to make a 0.370 M solution, what is the volume of the solution?
  26. algebra

    Graph the system of inequalities (shade each half-plane solution,not only the overall solution). y<= 3/2x+3 2x + y<10 y>-1
  27. Chemistry

    A solution of volume 70.0mL contains 15.5mmol HCHO2 and 9.00mmol NaCHO2. What is the pH of this solution?
  28. chemistry

    If 7.63 g of CuNO3 is dissolved in water to make a 0.180 M solution, what is the volume of the solution?
  29. Chemistry

    Can you show me the calculation? How many ml of a 2 M solution of HCL would be needed to neutralize 2 ml of a 5 M solution of KOH?
  30. chemistry

    need help figure out how to do these problem: 1)Calculate the pH of this solution: 1.55 X 10^-2 M HBr 2)Determine the pH of this solution: pOH = 8.3 thanks
  31. chemistry

    How many milliliters of a 110mL solution of 1.5 M AlCl3 must be used to make 70mL of a solution that has a concentration of 0.2M Cl–?
  32. Chemistry

    Calculate the volume of 2.00 M solution of KOH that is required to neutralize 30.0 mL of 1.00 M solution of HNO3.
  33. chemistry

    Calculate the mass of solute of hydrogen peroxide in a 35% solution if 450 ml of solution is being used
  34. Chemistry

    48.0 mL of Ca(OH)2 solution was titrated with 19.2 mL of 0.385 mL mol HNO3. Determine the molarity of the Ca(OH)2 solution.
  35. chemistry

    what is molarity of H2SO4 solution containing .12 moles acid per 75 mL solution? please show math
  36. Math 116

    identify the solution (s) of the system of equations, if any. -3x-4y=2 8y=-6x-4 a. infinitely many solutions b. (-16/9, 5/6) c.(-2/3,0) d. no solution
  37. AP Chemistry

    50.0 mL of an HCl solution with a pH of 3.5 neutralizes 200.0 mL of a Ca(OH)2 solution. What is the molarity of the Ca(OH)2 solu- tion?
  38. chemistry

    B-Mercaptoethanol is available as a 98% (w/w) solution, sp gr 1.114. What voulume is needed to prepare 0.100 L of a 50.0 mM solution. fw=78.13
  39. Honors Chemistry

    Will a base + H2O ALWAYS from a basic solution? (not a neutral or acidic solution)
  40. chemistry

    What is the molarity of an HCl solution if 38.5 mL of it is titrated to the equivalence point with 41.6 mL of a 1.41 M NaOH solution?
  41. chemistry

    To 100 mL of a 0.1M NH3(Kb=1.8*10-5)solution,200mL of a 0.1M NaOH have been obtained.Calculate the pH of the solution.
  42. Chemsitry

    You are given a colored solution that is labeled 1M. You need to prepare a solution from this that is 0.5 M. Describe your procedure in detail.
  43. Chemistry

    You have a stock solution of 16.0 M {{NH}}3. How many milliliters of this solution should you dilute to make 1500 mL of 0.200 M {{NH}}3?
  44. Chemistry

    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?
  45. chemistry

    You have a stock solution of 14.0 . How many milliliters of this solution should you dilute to make 1350 of 0.280 ?
  46. Pharm Tech

    how many milliliters of a 5% stock solution are needed to prepare 250ml of a 2% solution?
  47. Chemistry

    Calculate the volume of 2.00 M solution of KOH that is required to neutralize 30.0 mL of 1.00 M solution of HNO3.
  48. chemistry

    now lets say that this scientist wants to make 50 mL of a 0.250 M KC solution. How much of the 1.00 M "stock" solution whould he use
  49. chemistry

    What is the pH of a solution in which 296 mL of HCl measured at 28.0 C and 1.02 atm, is dissolved in 1.5 L of aqueous solution?
  50. Chem 111

    Why would NaOH solution need to be added when preparing the K2CrO4 stock solution
  51. chemistry

    calculate the molarity and normality of a solution containing 4.0 g NaOH in 500 cm3 solution
  52. chemistry

    A current of 3.04 A is passed through a Cr(NO3)2 solution for 1.80 hours. How much chromium is plated out of the solution?
  53. Algebra 1a

    Solve by the substitution method. 5x + 8y=0 x=2 2y Type ordered pair if there is a solution, or indicate no solution
  54. Chemistry

    Codeine is added to 100ml of water until the solution concentration is 0.800M. What is the pH of this solution?
  55. Algebra

    Can you please explain this problem to me? Determine whether 30 is a solution of the equation x-13=14. Is 30 a solution? My answer is no. x-13=14 30-13=14 No, not true. Thanks.
  56. chemistryyyy

    a. What is the pH of a 6.1 ✕ 10-5 M Ca(OH)2 solution? b. What is the H3O+ concentration of the solution? I just cant figure out the ionic equation.
  57. Chemistry

    What is the concentration, in percent (v/v) of a solution containing 50mL of diethyl ether (C4 H10 O) in a 2.5L of solution?
  58. chemistry

    How many grams of NaOH should be dissolved in 1 litre of solution to prepare a solution with pH value12
  59. AP Calculus

    Find the particular solution to y ' = 2sin(x) given the general solution is y = C - 2cos(x) and the initial condition y(pi/2) = 1
  60. Chemistry

    9. A solution has 48 grams of LiOH dissovled In 100 L of water. What is its [OH-]? 10. What is the pH of the solution in question 9?
  61. Chemistry

    If 8.87 g of CuNO3 is dissolved in water to make a 0.500 M solution, what is the volume of the solution?
  62. science

    Calculate the molarity of a solution that contains 0.175 mol ZnCl2 in exactly 136 mL of solution.
  63. Algebra

    √(y+4)-4=1 Y = or no solution I keep coming back to no solution but am wondering if I am confusing myself Please check Thank you
  64. chemistry

    How much of a 0.25 M NaOH solution is needed to neutralize 100 mL of a 0.15 M HCl solution? The units are mL
  65. Chemistry

    A current of 4.60 A is passed through a Cr(NO3)2 solution for 1.10 hours. How much chromium is plated out of the solution?
  66. Chemistry

    A current of 4.60 A is passed through a Cr(NO3)2 solution for 1.10 hours. How much chromium is plated out of the solution?
  67. CHEMISTRY

    2HBr+Mg(OH)2 -> MgBr2+2H2O how many mL of a 0.2 M HBr solution is required to react with 40 mL of a 0.40 M Mg(OH)2 solution
  68. science

    You have 10 ml of a 1:10,000 solution of hydrogen peroxide (H2O2). What is the molar concentration of the solution?
  69. chemistry

    A current of 3.78 A is passed through a Pb(NO3)2 solution for 1.40 hours. How much lead is plated out of the solution?
  70. chemistry

    calculate the molarity and normality of a solution containing 4.0 g NaOH in 500 cm3 solution?
  71. science

    Calculate the molarity of a solution which contains 6.456g of Na2CO3 dissolved in 250.0 ml of solution.
  72. chemistry

    What is the pH of a solution prepared by dissolving 7.5g HCl in water to make 375mL of solution?
  73. Chemistry

    You took 7.15 mL of the 2.20 M solution and diluted it. It's absorbance is 0.605. What is the concentration of the new solution? I have no idea where to even start.
  74. chemistry- thank you

    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
  75. chemistry

    calculate the molarity of the solution- 0.56 mole of BaCl2 in 100.0mL of solution.
  76. chemistry

    If 8.16 g of CuNO3 is dissolved in water to make a 0.500 M solution, what is the volume of the solution?
  77. Chemistry

    A concentrated H2SO4 solution is 10.5 M. You have to make 255 mL of 0.650 M solution. How would you prepare it?
  78. chemistry

    Calculate the ionic strength of a solution that contains 1.45g Na3PO4 in 0.500L of solution.
  79. Algebra

    Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. (1 point) • x = –0.24 • x = –4.24 • 4.24 • no solution
  80. chemistry

    8.22 g of CuNO3 is dissolved in water to make a 0.590M solution,what is the volume of the solution
  81. chemistry 2

    The pH of a Ba(OH)2 solution is 10.66. What is the hydroxide concentration? If the solution volume is 125ml, how many grams of Ba(OH)2 have been dissolved?
  82. chemistry

    A solution of salt in water conducts electricity, but a solution of sugar does not Explain why
  83. Chemistry

    20 mL of a solution of HCl concentration, neutralized 0,50 g of Na2CO3. What is the Molarity of the acid solution?
  84. Chemistry

    What is the molarity of a solution that contains 0.30 moles of KBr in 400 mL of solution. Please show all work
  85. math

    6x-4y=20 and 4y-6x=-20 What is the solution of the system of equations for this problem? A)A point B)No solution C)Infinitely many solutions
  86. Chemistry

    .012 mol of solid NaOH is added to a 1 L solution of HCl 0.01 M. What is the pH of the solution?
  87. science

    If a solution A has 10,000 times as many H+ ions as solution B, what is the difference in pH units between the two solutions?
  88. chemistry

    How would you prepare 385 ml of a 0.856 m NaOH solution starting with a 4.93 m stock solution
  89. chemistry

    1 ml of diluted solution is added to 9 ml of deionized water. predist the ph of resulting solution
  90. chemistry

    Calculate the normality of solution containing 4g of sodium hydroxide present in 1 litre of solution ?
  91. Calculus-HELP!!!

    Find the complete general solution and a particular solution that satisfies the initial conditions: 2y'' + y' - 4y = 0 y(0)=0, y'(0)=1
  92. Chemistry

    how many milliliters of a 2.61 m h2so4 solution are needed to neutralize 71.50 ml of a 0.855 m koh solution
  93. Math

    In what proportion should you combine 2:5 soaking solution and distilled water to create 1:20 solution?
  94. ALGEBRA Help Please

    Decide whether each equation has one solution, no solution or infinitely many solutions 2(x - 3) = 2x 3(y - 3) = 2y - 9 + y 10x - 2 - 6x = 3x - 2 + x 4(x + 3) + 2x = x - 8 Please Show how you did it if possible please thanks! :)
  95. algebra

    solve the systems of equations {4/7x+y=2/7 -1/8x-3/4y=-11/4 a. the solution of the system is b. there are infinitely many solutions c. there is no solution
  96. chemistry

    A saturated solution of kno3 at 70°c is cooled to 10°c. What mass of a solid of precipitate out of solution.
  97. Chem

    In the aqueous solution of H2SO4 its mole fraction is 0.2 then closest value of molality of solution is (1) 13.9 (2) 9.8 (3) 10.2 (4) 11.2
  98. chem

    why is it necessary to heat the oxalic acid solution before titrating it with the potassium permanganate solution
  99. Chemistry

    Normal saline solution is 0.91%w/v. Calculate the concentration of this solution in milligrams per litre (mg/L)
  100. Chemistry

    how many milliliters of a 2.61 m h2so4 solution are needed to neutralize 71.50 ml of a 0.855 m koh solution