Question

if a vial containing 5ml of 2% solution of a drug. how much drug is present in 1 ml
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Answer 1

Answer:

0.02 ml

Step-by-step explanation:

drug quantity in 5 ml solution

= 2% of 5 = 0.1 ml

ratio of quantities mixed in 5 ml = 0.1 :4.9 = 1 : 49

drug present in 1 ml

= 1/50 * 1 = 1/50 ml = 0.02 ml