# Question #9bfe7

Compounds to do not have an atomic number. The question you most likely wanted to ask is "What is the atomic mass of $N a O H$?"
$\text{Na" = 22.99 " g/mol}$
$\text{O" = 16.00 " g/mol}$
$\text{H" = 1.01 " g/mol}$
Adding this altogether gives $40 \text{ g/mol}$.