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05-04-2020
Chemistry

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a chemist weighed out 20.7 g of sodium . Calculate the number of moles of sodium she weighed out

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elliottou elliottou

05-04-2020

Answer:

about 0.9 mol

Explanation:

there are 22.990 g/mol of Na

20.7/22.99 = 0.900391 mol

about 0.9 mol

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