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Question

0.64 g of a metal hydride contains 0.24 g of hydrogen. The equivalent mass of the metal will be:

A
1.66 g
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B
13.33 g
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C
1.366 g
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D
2.666 g
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Solution

The correct option is A 1.66 g
Mass of the metal hydride = 0.64 g
Mass of hydrogen = 0.24 g
Mass of the metal = 0.64 - 0.24
= 0.40 g
We know that,
mass of the metalmass of hydrogen=equivalent mass of the metalequivalent mass of hydrogen

0.400.24=equivalent mass of the metal1

Hence, the equivalent mass of the metal is 1.66 g

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