Which of the following is insoluble in water at 25 degrees c?

Which of the following is insoluble in water at 25 degrees c?

Here are the choices

a. Na2S

b. Mg3(PO4)2

c. Ca(OH)2

d. Ba(C2H3O2)2

e. (NH4)2CO3

2 Answers

  • c, b

  • c is the exception, only b is insoluble.

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