Measures of Concentration: Molarity

Question 1

A salt solution with a volume of 250 mL that contains 0.70 mol NaCl. M

Revolt · Accepted Answer

2.8

Question 2

How many moles of KNO3 are in 500.0 mL of 2.0 M KNO3? mol KNO3

Revolt · Accepted Answer

1.0

Question 3

What volume of 0.0500 M NaOH solution is required to completely react with the HNO?

Revolt · Accepted Answer

D: 50.0 mL NaOH

Question 4

How much of a 0.250 M sucrose solution must be used to prepare 400.0 mL of a 0.0310 M solution? mL

Revolt · Accepted Answer

49.6

Question 5

A concentrated solution of a common reagent that can be diluted and used in reactions is called a

Revolt · Accepted Answer

D: stock solution.

Question 6

A salt solution that contains 0.90 g of NaCl in 100.0 mL of solution. M

Revolt · Accepted Answer

0.15

Question 7

How many grams of CaCl2 are in 250 mL of 2.0 M CaCl2? g CaCl2

Revolt · Accepted Answer

55

Question 8

Which statement best explains how the solution should be made?

Revolt · Accepted Answer

C: Add 49.6 mL of 0.250 M sucrose to 350.4 mL of water to get 400.0 mL of 0.0310 M sucrose.

Question 9

What volume of a 6.67 M NaCl solution contains 3.12 mol NaCl? L

Revolt · Accepted Answer

0.468

Question 10

What is the molarity of the solution that results when 25.0 mL of 0.513 M solution is diluted to 500.0 mL? M

Revolt · Accepted Answer

0.0257

Measures of Concentration: Molarity Answers