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1 vote
How many moles of carbon are in 7.87*10^7

1 Answer

5 votes
Well one mole of stuff, any stuff, including carbon dioxide, specifies
6.022
×
10
23
individual items of that stuff.
Step-by-step explanation:
And thus we work out the quotient:
7.2
×
10
25

carbon dioxide molecules
6.022
×
10
23

carbon dioxide molecules

m
o
l

1

120

m
o
l

carbon dioxide
.
This is dimensionally consistent, because we get an answer with units
1
m
o
l

1
=
1
1
mol
=
m
o
l
as required.
User Joeltine
by
8.2k points

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