Q. 1 C4.1( 14 Votes )
The atomic mass o
Deuterium is an isotope of hydrogen which has atomic mass 2u. The formula of heavy water is D2O. In heavy water, there are 2 deuterium atoms and 1 oxygen atom. So the molecular mass will be 2×2 + 1×16 = 20.
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The atomic mass oKarnataka Board - Science Part I