21-03-2019
Chemistry

contestada

How many moles of methanol (CH3OH) are contained in 82.5 g methanol?

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ChemBen ChemBen

23-03-2019

Methanol's molar mass is 32 g/mol. So there are

[tex]82.5 \div 32 = 2.578125 \: mol[/tex]

The general formula is:

[tex]number \: of \: moles = \frac{mass \: in \: grams}{molar \: mass} [/tex]

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