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Byju's Answer
Standard XII
Chemistry
Heavy Water
Mass percenta...
Question

Mass percentage of deuterium in heavy water is:

A
Same as that of protium in water
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B
11.1
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C
20.0
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D
Cannot be predicted
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Solution

The correct option is C 20.0
The formula of heavy water is D2O
Molecular mass=20 g
% of deuterium=420×100=20%

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