tsmittens tsmittens

19-02-2017
Chemistry

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What is the percent by mass of water in Na2SO4 • 10H2O?

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taskmasters taskmasters

24-02-2017

We determine the percent by mass of water in the compound by dividing the mass of water by the total mass. The total mass of Na2SO4.10H2O is equal to 322 g. The mass of water is 180 g.

percent by mass of water = (180 / 322)*(100 %) = 55.9%

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akwrich akwrich

17-01-2019

55.92 percent is the correct answer for online chemistry I just took the test!

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