Question

How many litres of pure acid are there in 8 litres of a 20% solution?

Options

• 1.4

• 1.5

• 1.6

• 2.4

Answer 1

1.6

Explanation:

Quantity of pure acid = 20% of 8 litres = `(20/100 xx 8)` litres

= 1.6 litres.