Asked by charlotte

A student is asked to standardize a solution of barium hydroxide. He weighs out 0.986 g potassium hydrogen phthalate (KHC8H4O4, treat this as a monoprotic acid).

It requires 27.8 mL of barium hydroxide to reach the endpoint.

A. What is the molarity of the barium hydroxide solution(in M)
Answered by charlotte
i got it, it's 0.111M!
Answered by DrBob222
Your data allows three places in the answer and you have only two.
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