Question 1
In which of the following solutions would solid PbBr
2 be expected to be the least soluble at 25 °C?
◦ 0.1 mol L
-1 K
NO
3◦ 0.1 mol L
-1 CaBr
2◦ 0.1 mol L
-1 HBr
◦ 0.1 mol L
-1 NaBr
Question 2
What is the molar solubility of silver iodide (AgI
) in water? The solubility-product constant for AgI
is 8.5 × 10
-17 at 25 °C.
◦ 4.3 × 10
-17 mol L
-1◦ 1.3 × 10
-8 mol L
-1◦ 1.7 × 10
-16 mol L
-1◦ 9.2 × 10
-9 mol L
-1◦ 16 mol L
-1