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29-04-2021
Chemistry

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how many grams of Na2SO4, (molar mass =142.0 g/mol) are there in 15 mL of 0.50 m Na2SO4 solution?

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yessemiramontes yessemiramontes

29-04-2021

Answer:

1.1 g Na2SO4

Explanation:

First convert mL to L. Then multiply by the Molarity to get moles, then multiply by the molar mass to get grams.

15 mL x 1 L x 0.50 mol Na2SO4 x 142 g = 1.1 g

10^3 mL 1 L mol Na2SO4

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