luvchickadee luvchickadee

27-06-2017
Chemistry

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If 32.5 grams of CaO are dissolved in 212 grams of water, what is the concentration of the solution in percent by mass?

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darlenejones577 darlenejones577

27-06-2017

percent by mass of CaO= Mass of solute/ moles of solution x 100%

(32.5g)/ (32.5g+212g) x 100%
= 13.29 and when you round it becomes 13.3% CaO

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bmxthomas bmxthomas

28-06-2017

13.3% would be the correct answer!

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