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Whats the mass (in grams) of 1.00×10^4 molecules of water?

April 26, 2017Chemistry Grams mass Mathematics molecules water

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Whats the mass (in grams) of 1.00×10^4 molecules of water?

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Step 1 = molecules to moles 1.00E4 molecules / 6.02E23 molecules / mole = moles of water Step 2 = moles to grams Moles x grams/mole = grams Take your answer from step 1 and multiple it by the molar mass of water (18.001 g/mol).