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Zinc sulphate contains 22.65% Zn and 43.9% H,O. If the law of constant proportions is true, then the mass
of Zinc required to give 40 g crystal will be
(1) 90.6 g
(2) 9.06 g
(3) 0.906 g
(4) 906 g
Chlorine to form HCI. It also combines with sodium to form NaH. If sodium and
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