Question

CALCULATE PERCENTAGE OF CALCIUM AND PHOSPHORUS IN

Ca3

(PO4

)2..

[ ATOMIC MASSES - Ca = 40 , P = 31 & O = 16 .
​

Answer 1

Explanation:

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%

Answer 2

Answer:

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