Question

calculate the mass percentage of calcium and phosphorus in calcium phosphate​

Answer 1

Answer:

Molecular formula of calcium phosphate is Ca3(PO4)2.

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

Percent of calcium =

120/310 ×100=38.71%

Percent of phosphorus =

62/310 ×100=20.0%