## General Chemistry (4th Edition)

$pH = 1.70$ This solution is acidic.
1. Since $HNO_3$ is a strong acid: $Initial[HNO_3] = [H_3O^+] = 0.020M$ 2. Calculate the pH Value. $pH = -log[H_3O^+]$ $pH = -log( 0.020)$ $pH = 1.70$ $pH < 7$ at $25^{\circ}C$: Acidic solution.