Clogging

How much distilled water must the pharmacist add to 30g of a 30% hydrogen peroxide solution to obtain a 3% solution for clogging?

Correct answer:

m =  270 g

Step-by-step explanation:


0.30 · 30 = 0.03 · (30+m)

0.03m = 8.1


m = 8.1/0.03 = 270

m = 270

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You need to know the following knowledge to solve this word math problem:

algebrabasic operations and conceptsUnits of physical quantitiesthemes, topicsGrade of the word problem

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