Problem: You may want to reference (Pages 126 - 130)Section 4.2 while completing this problem.Which of the following compounds is insoluble in water?(a) (NH4)2S (b) CaCO3 (c) NaOH (d) Ag2SO4 (e) Pb(CH3COO)2

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(a) (NH4)2S → all ammonium ions are soluble → water soluble

(b) CaCO3 → insoluble carbonate → water insoluble


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Problem Details

You may want to reference (Pages 126 - 130)Section 4.2 while completing this problem.

Which of the following compounds is insoluble in water?

(a) (NH4)2

(b) CaCO3 

(c) NaOH 

(d) Ag2SO4 

(e) Pb(CH3COO)2

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