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Home  >>  JEEMAIN and AIPMT  >>  Chemistry  >>  Hydrogen
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The percentage of deuterium in heavy water

$\begin{array}{1 1}(a)\;22.2\\(b)\;11.2\\(c)\;44\\(d)\;20\end{array}$

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Weight of $D_2O$ is 20
$D\%=\large\frac{4}{20}$$\times 100$
$\;\;\;\;\;\;=20$
Hence (d) is the correct answer.
answered Jan 23, 2014 by sreemathi.v
 
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