Question

how many moles are there in 71g of Na2so4 sodium sulphate

Answer 1

Explanation:

Referring to those numbers, the formula Na2SO4 means: two moles sodium (45.98 g), one mole sulfur (32.06 g), and four moles oxygen (64.00 g) combine to form one mole of sodium sulfate

Answer 2

There are 0.49 moles of Na2SO4 in 71g of the same.