Question 1
A solution is 0.660 M in HNO
3(aq) and 1.02 M in Ca(NO
3)
2(aq). What is the molarity of NO
3-(aq) in the solution?
◦ 2.70 M
◦ 1.68 M
◦ 1.02 M
◦ 0.660 M
◦ 0.360 M
Question 2
A solution is prepared by mixing 50.0 mL of 0.100 mol L
-1 HCl and 10.0 mL of 0.200 mol L
-1 NaCl. What is the molarity of chloride ion in this solution?
◦ 0.183
◦ 8.57
◦ 3.50
◦ 0.0500
◦ 0.117