Question

when a metal is burnt in air its weight increases by the 24 percent find its equivalent weight​

Answer 1

Samaritan

Equivalent weight of O2O2 (oxide) ion is:

Molar mass of oxygen / charge on oxygen

=16gmol−1/2moleq−1=16gmol−1/2moleq−1

=8geq−1=8geq−1

One equivalent of the metal reacts with one equivalent of oxygen to form the metal oxide.

Let M be the equivalent weight of the metal,

Therefore, M grams of the metal will react with 8g of oxygen.

The corresponding metal oxide will or wWe can say that,

M=100×824M=100×824=33.33g

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