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Chemistry, 28.03.2020 23:25 notorius315

HELP! I don't know how to solve this question and I'd really like a step-by-step explanation for it!

Weigh out 69.5 g of the compound which is 58.6 percent (m/m) oxygen. Dissolve it in 100 g of water. Report back the % (m/m) solution this makes.

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