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

Question

Chemistry

Hanna Hampton

2 September, 23:48

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

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Answers (1)

Know the Answer?

Zachary Cole · Answer 1

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