Compounds that are soluble and insoluble in water.

Question

tWhich one of the following compounds will be insoluble in water?A) AgNO3B) CaCl2C) NH4ClD) CaCO3E) Pb(C2H3O2)2

How do i know which compound is insoluble?

Answer 1

You need to know/memorize the solubility rules.

A) Nitrates are soluble so AgNO3 is soluble

B) CaCl2 is soluble

C) Ammonium salts are soluble

D) CaCO3 is not soluble

E) Lead acetate is one of the few lead salts that is soluble

Answer would be D