Emma has diarrhoea. She is permitted to drink only weak apple juice. How much ice water (solvent) is required to make up 200 ml of diluted apple juice (solute) if the V/V ratio is 3 to 2?
A) 200 ml
B) 0.3 L
C) 0.08 L
D) 120 ml

Question

Quizplus · Accepted Answer

3 to 2 is also 3 in 5 3/5 x 200/1 = 120 ml solute
(NOTE: v/v is taken to be the ratio of v(solute) to v(solvent))
200 ml drink - 120 ml apple juice = 80 ml or 0.8 L water

Emma Has Diarrhoea