In a metal oxide, 32 % of oxygen is present by mass. What will be the equivalent mass of the metal?
A
62g
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B
17g
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C
12g
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D
34g
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Solution
The correct option is B17g Let the weight of the metal oxide be 100g Weight of oxygen =32g Weight of the metal =100–32=68g weight of the metalweight of oxygen=equivalent weight of the metalequivalent weight of oxygen ⇒6832=M8 On solving, M=17g