Question

19:09 AM O
0.1KB/EBD
Calculate the mass % of Ca, P, and O in calcium phosphate Ca3(PO4)​

Answer 1

Answer:

Molecular formula of calcium phosphate is Ca

3

(PO

4

)

2

.

Its molar mass is 3(40)+2(31)+8(16)=310 g/mol.

Percent of calcium =

310

120

×100=38.71%

Percent of phosphorus =

310

62

×100=20.0%

Percent of oxygen =

310

128

×100=41.29%

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