Question

find the no of moles in 87g of k2 S04​

Answer 1

Answer:

sorry i try but I'm not able

Answer 2

Given,

Mass of K2SO4 = 87g

Molar Mass of K2SO4 = (39×2)+(32×1)+(16×4)

= 78+32+65

= 174.

•°• No. of moles in K2SO4 = Mass

Molar Mass

= 87

174

= 1

2

= 0.5 mole