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ICSE Class 9 Answered

calculate the percentage of phosphorus in : (a) Calcium hydrogen phosphate Ca(H2PO4)2 (a) Calcium hydrogen phosphate ( Ca(
Asked by mtomar7274 | 03 Jun, 2020, 08:26: AM
answered-by-expert Expert Answer
Calcium hydrogen phosphate Ca(H2PO4)2 
Molecular mass of Ca(H2PO4)2 = 234 
 
Atomic weight of P = 31   
 
% of P in Ca(H2PO4)2 = fraction numerator 2 cross times 31 over denominator 234 end fraction cross times 100
                                = 26.49 % of P
 
 
 
Answered by Varsha | 03 Jun, 2020, 12:04: PM
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