1.​ A 2.00g sample of NaOH was dissolved in water to produce a volume of
exactly 200mL. What is the molarity of the solution?
2.​ What volume of a 1.20M solution of AgNO3 contains 55.0g of AgNO3?
3.​ Calculate the number of grams of Ca(NO3)2 that would be required to mix
20.0L of a 0.0100M solution.
4.​ Which of the following solutions has the highest concentration?
a.​ 12.5g CaCl2 in 40mL solution
b.​ 20.9g MgI2 in 30mL solution
5.​ Consider five solutions, each of which has the same mass of solute in 100.0
mL of solution. Which has the highest concentration as measured in
molarity?
a.​ KCl
b.​ BeO
c.​ CoCO3
d.​ Zn2O
e.​ CaF2
6.​ What is the concentration of lithium ions in a 1.45 M solution of Li3PO4?
7.​ What is the concentration of NO3- in a 0.65 M solution of barium nitrate?
8.​ Which of the following solutions contains the greatest number of ions?
a.​ 200.0 mL of 0.10 M KBr
b.​ 500.0 mL of 0.10 M AlCl3
c.​ 1000.0 mL of 0.10 M of pure water
d.​ 300.0 mL of 0.10 M of MgI2
9.​ When CaCl2 is dissolved in water, the resulting concentration of Cl- is 0.15 M.
What was the concentration of the original solution?