Question 1
What is the molar solubility of barium carbonate in pure water? (
Ksp = 5.1 × 10
-9)
◦ 5.1 × 10
-9 M
◦ 7.1 × 10
-5 M
◦ 1.1 × 10
-3 M
◦ 1.7 × 10
-3 M
◦ 2.6 × 10
-17 M
Question 2
What is the molar solubility of barium fluoride ( BaF
2 ) in water? The solubility-product constant for BaF
2 (s) is 1.7 × 10
-6 at

◦ 6.5 × 10
-4 mol L
-1◦ 1.2 × 10
-2 mol L
-1◦ 1.8 × 10
-3 mol L
-1◦ 7.5 × 10
-3 mol L
-1◦ 5.7 × 10
-7 mol L
-1