How many molecules are in a 671 g sample of CO2?

How do you know how much a molecule is?

1 Answer
Elle
Jan 28, 2018

9.18⋅1024 molecules CO2

Explanation:

You convert the grams of CO2 to moles, then you use Avogadro's constant to find the number of units (molecules or atoms) of carbon dioxide.

671 grams of CO2⋅1 mole44.01 grams⋅6.022⋅1023 molecules1 mole

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