An unknown trivalent metal reacts with oxygen to form its oxide. If mass of the oxide formed is 25% more than the mass of metal taken then calculate atomic wt. of the metal.

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TestHub · Accepted Answer

Let's assume the mass of the metal oxide ( $M_{2} O_{3}$ ) is $m$ grams and the mass of the metal ( $M^{3 +}$ ) is $W$ grams.

$\frac{2 X + 48}{2 X} w h ere X 200 X + 4800 50 X X X = \frac{125}{100} = a t o mi c ma sso f M = 250 X = 4800 = \frac{4800}{50} = 96$

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