6. What is the pH of a 7.6 x 10-4M solution of the strong acid HNO3?

Balanced equation: HNO3 (aq) H+ (aq) + NO3- (aq)

[ H+ ] = 7.6 x 10-4 M

Which equation would we use to calculate the pH?

a) [ H+ ][ OH- ]
b) - log [ H+ ]
c) {[ OH- ]} / {[ H+ ]}
d) - log [ OH- ]