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never [62]
3 years ago
6

he 64.8-g sample of the compound X2O5 contains 48.0 g of oxygen atoms. What is the molar mass of element X?

Chemistry
1 answer:
VikaD [51]3 years ago
7 0
We calculate the molar mass of element X as follows:

No. of moles = 48/16 = 3.2 mol

Mass of X2 = 64.8 - 48 = 16.8 g

<span>2 molesX/5 mole O= x/ 3.00 moles O 
</span>
x = <span>1.2 moles of X </span>

Molar mass = <span>16.8g/ 1.2 mol = 14 g/mol</span>

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