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24-04-2020
Chemistry

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What is the mass of 2.60 ×10^22 formula units of NaOH (Molar mass = 40.0 g/mol)?

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xxamari xxamari

24-04-2020

Answer:

1.728 g NaOH

Explanation:

Convert molecules to moles.

2.60 ×10^22 molecules NaOH / 6.02 x 10^23 molecules per mol = .043 mol

Convert moles to grams.

.043 mol x 40.0 g/mol = 1.728 g

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