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

asked Jul 16, 2019 187k views

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3 votes

Here is the working out:

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

Hope this helps!!! Xx

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7 votes

0.4582951420714879 moles

Dicarlomagnus answered Jul 23, 2019

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