Calculate the percentage of phosphorus in :
(a) Calcium hydrogen phosphate Ca3(H2PO4)2
(b) Calcium phosphate Ca3(PO4)2
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Calculate the percentage of phosphorus in :
(a) Calcium hydrogen phosphate Ca3(H2PO4)2
(b) Calcium phosphate Ca3(PO4)2
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Answer:
a)25.64%
b)19.972%
Explanation:
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Answer:
a. Molar mass of Ca3(H2PO4)2 is 2346/mole.
Atomic mass of phosphorus is 31g
so,% of phosphorus = (31×2/234)×100
= 26.49%.
b. Molar mass of calcium phosphate is 310.17 g/mole
Atomic mass of phosphorus = 31 g
so, % of phosphorus = (31×2/310.17)×100
= 19.98%.
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