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#1: The average atomic mass of hydrogen (H) is 1.008 amu. Hydrogen is made up of isotopes 1H, 2H, and 3H. What can you infer about the relative abundance of these isotopes?

A. 3H is most abundant.

B. 1H is most abundant.

C. All isotopes are equally abundant.

D. 2H is most abundant.
***Idk this one at all :(

Answer :

Edufirst
1H is the most abundant.

1H has mass nuimber 1, 2H has mass number 2, 3H has mass number 3

It is evident that the only way of having a mean mass number of 1.008 amu, the isotope with mass number 1 amu has to be superabundant.

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