# If nitric acid is derived from the nitrate ion, what is the formula for nitric acid?

##### 1 Answer
Nov 3, 2016

Nitrate anion is the conjugate base of nitric acid......

#### Explanation:

And thus nitrate anion is nitric acid LESS a proton, ${H}^{+}$.

So we add a proton to the conjugate base, we get the original acid:

$N {O}_{3}^{-} + {H}^{+} \rightarrow H N {O}_{3}$