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प्रश्न
Calculate the percentage of phosphorus in Calcium hydrogen phosphate Ca(H2PO4)2
उत्तर
Molecular mass of Ca(H2PO4)2 = 234
So, % of P = 2 31 100/234 = 26.5%
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संबंधित प्रश्न
Prove the Following :
Oxygen is a diatomic molecule.
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\[\ce{2KCI3 ->[MnO2] 2KCl + 3O2}\]
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2Ca(NO3)2→ 2CaO + 4NO2 + O2 (Ca = 40,N = 14, O = 16)
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\[\ce{2H2 + O2 → 2H2O}\]
What volume of oxygen remains unreacted?
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\[\ce{2NH4Cl + Ca(OH)2 -> CaCl2 + 2H2O + 2NH3}\]
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\[\ce{(NH4)2Cr2O7 -> N2 + Cr2O3 + 4H2O}\]
If 63 g of ammonium dichromate decomposes. Calculate the volume of N2 evolved at STP.
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\[\ce{(NH4)2Cr2O7 -> N2 + Cr2O3 + 4H2O}\]
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\[\ce{CH4 + 2O2 -> CO2 + 2H2O}\]
\[\ce{2H2 + O2 -> 2H2O}\]
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\[\ce{CaCO3 + 2HCl -> CaCl2 + H2O + CO2}\]
Calculate the mass of the acid required.
