Question

Calculate $pH$, $pOH$ and $\left[H^{+}\right]$ ion concentration of 0.015 M $HCl$.

Answer 1

Concentration of $HCl=0.015M$
Concentration of $\left[H^{+}\right]=0.015M$

$pH=-\log \left[H^{+}\right]=-\log \left(0.015\right)=1.82$

$pH+pOH=14$

$pOH-pH=14$

$pOH=14-1.82=12.18$