The amount of water (in ml) that should be added to reduce 9 ml. Loti – McqOptions

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1.	The amount of water (in ml) that should be added to reduce 9 ml. Lotion, containing 50% alcohol, to a lotion containing 30% alcohol, is__________?
A.	3
B.	4
C.	5
D.	6
Answer» E.

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