# Question #1ddc1

May 20, 2015

Formula for Potassium Sulphate is ${K}_{2} S {O}_{4}$ and the formula for Calcium Acetate is $C a {\left({C}_{2} {H}_{3} {O}_{2}\right)}_{2}$

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 (${C}_{2} {H}_{3} {O}_{2}$) has a charge of -1 so therefore the acetate is put in brackets and gets a subscript 2 behind it.

Hope I helped :)