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Evgen [1.6K]
3 years ago
12

How many moles are there in 78.3g of CO2?

Chemistry
1 answer:
oksano4ka [1.4K]3 years ago
4 0
The molar mass of CO2 can be calculated as follows;
CO2 — 12 + (16x2) = 12+ 32 = 44 g
Therefore molar mass of CO2 is 44 g/mol
In 44 g of CO2 there’s 1 mol of CO2
Then 1 g of CO2 there’s 1/44 mol of CO2
Therefore in 78.3 g of CO2 there’s — 1/44 x 78.3 =1.78 mol of CO2
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