# How much atomic mass is in hydrogen?

May 30, 2018

In the hydrogen atom, there is approx. ONE atomic mass unit.

#### Explanation:

And an isolated hydrogen molecule has a mass of $\text{2 amu}$. And in a mole of hydrogen molecules there are a mass of $2 \cdot g$. How many hydrogen atoms in a $2 \cdot g$ mass of same?