How many litres of pure acid are there in 8 litres of a 20% solution? Choose the correct choice from the following options:  A) 1.4  B) 1.5  C) 1.6  D) 2.4  E) None
Solution   Quantity of pure acid	= 20% of 8 litres   = (20/100×8)litres   = 1.6 litres.   Answer 1.6
<result>C</result>
How many litres of pure acid are there in 8 litres of a 20% solution?