A compound known as deuterium oxide, or “heavy water
A compound known as deuterium oxide, or “heavy water” is sometimes used in nuclear research. It is water, but each hydrogen atom in a “heavy water” molecule has a neutron in the nucleus in addition to the normal proton. So, what would be the percent hydrogen (by mass) in a “heavy water” molecule?
A.20.1%
B.79.9%
C.11.2%
D.88.8%