# 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?

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