The Handbook of Chemistry and Physics gives solubilities of the following compounds in grams per 100 mL of water at 20°C. Because these compounds are only slightly to moderately soluble, assume that the volume does not change on dissolution and calculate the solubility product for each at this temperature. (Note that 100 mL in this context is a nominal value and not subject to measurement uncertainty.)
1. BaS 6.97 g/100 mL
2. CaSO3 5.9 ✕ 10−3 g/100 mL
3. As2O3 1.80 g/100 mL
4. Sr(IO3)2 0.152 g/100 mL
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