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Question

In a metal oxide, 32 % of oxygen is present by mass. What will be the equivalent mass of the metal?

A
62 g
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B
17 g
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C
12 g
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D
34 g
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Solution

The correct option is B 17 g
Let the weight of the metal oxide be 100 g
Weight of oxygen =32 g
Weight of the metal =10032=68 g
weight of the metalweight of oxygen=equivalent weight of the metalequivalent weight of oxygen
6832=M8
On solving, M=17 g

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