How many litres of pure acid are there in 4 litres of a 35% solution	Answers
A) 1.5	B) 1.6	C) 1.7	D) 1.8	E) 1.4
Explanation:
Question of this type looks a bit typical, but it is too simple, as below... It will be 8 * 20/100 = 1.4 Answer: Option 1.4
<result>E</result>
How many litres of pure acid are there in 4 litres of a 35% solution