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Chemistry, 14.07.2019 19:10 whortonraijan

Hydrogen peroxide is sold as a 3.0% (by mass) solution. the rest of the solution is water . how many grams of hydrogen peroxide are in 250 grams of this solution?

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Hydrogen peroxide is sold as a 3.0% (by mass) solution. the rest of the solution is water . how many...

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