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प्रश्न
Calculate the percentage of phosphorus in calcium phosphate Ca3(PO4)2.
उत्तर
Molar mass of calcium phosphate = 310.17 g/mole
Atomic mass of phosphorus (P) = 31 g
% of Phosphorus = `[(2 xx 31)/(310.17)] xx 100`
= 19.98 %
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