the ph of a 0.0040 m solution of hno₃ is
the ph of a 0.0040 m solution of hno₃ is
Answer
Explanation:
Step1: Identify $H^+$ concentration
$HNO_3$ is a strong - acid, so $[H^+]=[HNO_3]=0.0040\ M$
Step2: Calculate pH
$pH =-\log[H^+]=-\log(0.0040)$ $pH = 2.40$
Answer:
2.40