The number of moles of compound (KHC2O4)0.95.H2C2O4 in its pure sample if sample contains 4 moles of oxygen atoms.
(A) 0.5
(B) 0.5*0.95
(C) (4)/(4+0.95*4)
(D) (4)/(0.95)
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3.8+4 O atoms in 1 molecule. 1 O atom in 1/(3.8+4) molecules. Therefore 4 moles O atoms means 4* 1/(3.8+4) mole molecules. Ans. 4/(3.8+4)
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