Question

calculate the percentage of phosphorus in calcium phosphate of carbon and nitrogen .( nitrogen = 14 calcium = 40 ,hydrogen is equal to 1, silicon is equal to 28 chromium is equal to 52 , oxygen is equal to 16 Phosphorus is equal to 31 and carbon is equal to 12
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Answer 1

Answer:

20% (approx.)of phosphorous is present.

Accurately is 20.6451612903%

Explanation:

Ca3(PO4)2 is the formula.

Total mass= (40×3)+((31+(16×4))×2) amu

=120+(31+64)×2 amu

=120+190 amu

=310 amu

Therefore,percentage of phosphorous in Ca3(PO4)2 =((31×2)/310)×100%

=64/310×100%

=20.6451612903%

=20%(approx.)

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