Question

N-factor of H3po4
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Answer 1

n-factor of HCI = 1, n-factor of HNO3 = 1, n-factor of H2SO4 = 1 or 2, depending upon extent of reaction it undergoes. Although one mole of H2SO4 ahs 2 replaceable H atoms but in this reaction H2SO4 has given only one H+ ion, so its n-factor would be 1.