8. Based on the products of the solubility of lead sulfate (2.2 * 10-8) and lead iodide (8.7 * 10-9), calculate their solubility in moles and grams per 1 dm3. Why does a salt with a lower SP value have a higher solubility? Calculate how many times the solubility of lead sulfate in a 0.01 M solution of sodium sulfate is less than its solubility in water?

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