31.0mL sample of LiOH, concentration unknown, is titrated with .52 M HCl. It takes 42.9 ml of HCl to reach the endpoint. What is the concentration of the base?

Answer 1

mL acid x M acid = mL base x M base.

Answer 2

0.71 M

Answer 3

I don't think you rounded properly. My calculator tells me 0.71961 which I would round to 0.72 to 2 s.f. and to 0.720 to 3 s.f.

Answer 4

ok thanks!