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26 March, 20:21

According to the solubility rules, which of these compounds is soluble in water?

a. CaCO3

b. PbCl2

c. Cu (NO3) 2

d CaSO4

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Answers (1)
  1. 26 March, 23:16
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    The answer to your question is:

    Explanation:

    a. CaCO3 Insoluble, only alkalines and NH4 are soluble

    b. PbCl2 Insoluble, Ag, Pb, Hg, Cu and Tl are insoluble

    c. Cu (NO3) 2 Soluble, all are soluble

    d CaSO4 Soluble, Sr, Ba and Pb are insoluble
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