Question

Sulphuric acid is 95.8 by mass calculate mole fraction

Answer 1

Answer:

0.808

Explanation:

95.8 %w/w means 95.8 g of sulphuric acid and 4.2 g of water

moles of sulphuric acid = 95.8/98 = 0.97

moles of water = 4.2/18 = 0.23

mole fraction = 0.97/0.97+0.23 = 0.808