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Hitman42 [59]
3 years ago
14

A sample has 25.7g of calcium oxide. How many moles are CaO are contained in the sample?

Chemistry
2 answers:
Arturiano [62]3 years ago
7 0
Here is the working out:

Mass= mr x mol
Mol = mass/mr
So molCao = 25.7/(16+40)= 0.459moles

Hope this helps!!! Xx

Fantom [35]3 years ago
3 0
0.4582951420714879 moles
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