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QUESTION

# What are the chemical formulas of potassium sulfate and of calcium acetate?

Formula for Potassium Sulphate is K_2SO_4 and the formula for Calcium Acetate is Ca(C_2H_3O_2)_2

Sulphate polyatomic ion has a charge of -2 and Potassium has a charge of +1 that is why the Potassium gets a subscript 2 after it in the formula.

Calcium has a charge of +2 and the Acetate (C_2H_3O_2) has a charge of -1 so therefore the acetate is put in brackets and gets a subscript 2 behind it.

Hope I helped :)