How do you calculate the molar mass of heavy water?

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How do you calculate the molar mass of heavy water?

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Answer 1 · 2016-08-01T11:54:04

Simply use the molar mass of deuterium, $2.0 \cdot g \cdot m o l^{- 1}$ $2.0*g*mol^-1$

Explanation:

For deuterium oxide, $^{2} H_{2} O$ $""^2H_2O$ , $D_{2} O$ $D_2O$ , simply add up the molar masses of each element: $(2 \times 2.014 + 15.999) \cdot g \cdot m o l^{- 1}$ $(2xx2.014+15.999)*g*mol^-1$ $≅$ $~=$ $20.0 \cdot g \cdot m o l^{- 1}$ $20.0*g*mol^-1$ .

Deuterium oxide is relatively cheap, certainly it is cheap as deuterated solvents go. It is commonly used to introduce a deuterium label into a compound.

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How do you calculate the molar mass of heavy water?

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