Question

what is the molarity of a nitric acid solution HNO3 if 20 ml of the solution is needed to exactly neutralize 10 ml of a 1.67 M NaOH solution?

Answer 1

Answer: 0.84 M

`M_(A)V_(A)=M_(B)V_(B)\\(20)M_(B)=10(1.67)\\M_(B)=(10(1.67))/(20) \approx \boxed{0.84 \text{ M}}`