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*10^24# molecules #CO_2#

Explanation:

You convert the grams of #CO_2# to moles, then you use Avogadro's constant to find the number of units (molecules or atoms) of carbon dioxide.

#671" grams of "CO_2 * (1" mole")/(44.01" grams") * (6.022*10^23 " molecules")/(1" mole")#

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