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Barbie
Chemistry
4 January, 00:38
How many moles are there in 78.3g of CO2?
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Jadyn Spears
4 January, 01:02
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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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