Molarity - Revsworld

23. What is the total number of moles of solute contained in
0.50 liter of 3.0 M HCl?
1) 1.0 3) 3.0
2) 1.5 4) 3.5
24. What is the molarity of a solution of KNO 3 (molecular
mass = 101) that contains 404 grams of KNO 3 in 2.00
liters of solution?
1) 1.00 3) 0.500
2) 2.00 4) 4.00
25. What is the total number of grams of HI in 0.500 liter of
1.00 M HI?
1) 1.00 g 3) 64.0 g
2) 0.500 g 4) 128 g
26. What is the concentration of a solution which contains 1
mole of CaCl 2 dissolved in 2,000 milliliters of solution?
1) 1 M 3) 0.5 M
2) 2 M 4) 0.25 M
27. If 0.50 liters of a 2.0M HCl is diluted with H 2 O to a
volume of 1.0 liters, the molarity of the new solution will
be
1) 1.0 M 3) .25 M
2) 2.0 M 4) .50 M
28. What is the total number of grams of NaOH (formula
mass = 40.) in 500. milliliters of a 1.0 M solution?
1) 10. 3) 40.
2) 20. 4) 80.
29. What is the molarity of a solution containing 20. grams
of NaOH in 0.50 liter of solution?
1) 1.0 3) 0.50
2) 2.0 4) 10.
30. What is the concentration of a solution of 10. moles of
copper (II) nitrate in 5.0 liters of solution?
1) 0.50 M 3) 5.0 M
2) 2.0 M 4) 10. M
31. What is the molarity of a solution that contains 4 grams
of NaOH in 500 milliliters of solution?
[Formula mass of NaOH = 40.]
1) 0.1 M 3) 0.2 M
2) 2 M 4) 0.5 M
32. What is the total number of moles of solute in 250
milliliters of a 1.0 M solution of NaCl?
1) 1.0 mole 3) 0.50 mole
2) 0.25 mole 4) 42 moles
33. A 20.-milliliter sample of 0.60 M HCl is diluted with
water to a volume of 40. milliliters. What is the new
concentration of the solution?
1) 0.15 M 3) 0.30 M
2) 0.60 M 4) 1.2 M
34. What is the total number of moles of solute in 2.0 liters
of 3.0 M NaOH?
1) 1.0 mole 3) 3.0 moles
2) 2.0 moles 4) 6.0 moles
35. Which preparation produces a 2.0 M solution of C 6 H 12 O 6
? [molecular mass = 180.0]
1) 90.0 g of C 6 H 12 O 6 dissolved in 500.0 mL of solution
2) 90.0 g of C 6 H 12 O 6 dissolved in 1000. mL of solution
3) 180.0 g of C 6 H 12 O 6 dissolved in 500.0 mL of solution
4) 180.0 g of C 6 H 12 O 6 dissolved in 1000. mL of solution
36. How many moles of KNO 3 are required to make 0.50
liter of a 2.0 M solution of KNO 3 ?
1) 1.0 3) 0.50
2) 2.0 4) 4.0
37. How many grams of KOH are needed to prepare 250.
milliliters of a 2.00 M solution of KOH
(formula mass = 56.0)?
1) 1.00 g 3) 28.0 g
2) 2.00 g 4) 112 g
38. What is the total number of grams of KCl (formula mass
= 74.6) in 1.00 liter of 0.200 molar solution?
1) 7.46 g 3) 22.4 g
2) 14.9 g 4) 29.8 g
39. What is the total number of grams of NaI(s) needed to
make 1.0 liter of a 0.010 M solution?
1) 0.015 3) 1.5
2) 0.15 4) 15