1.520 g of hydroxide of metal on ignition gave 0.995 g of oxide. The equivalent mass of metal is
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One equivalent of the metal reacts with one mole of OH- which is 17 g.
Similarly,
one equivalent of the metal reacts with 1/2 mole of oxygen atoms, i.e., 8 g of
oxygen atoms.
IF E is the equivalent mass of the metal and X is the number of equivalents of
metal OH that is ignited, then
X (E+17) = 1.520 g
X (E+8) = 0.995.
Upon cancelling X, E = 9.06 g.
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