Chemistry Help Please?

Posted on 2015-10-28 13:15:00 in Chemistry by YOUAN

1) If 14.18 mL of NaOH are required to titrate 15.00 mL of a 0.6 M oxalic acid solution, what is the concentration of the NaOH?

2) A solution of a theoretical triprotic acid was prepared by dissolving 5.826 g of solid in enough DI water to make 500.0 mL of solution. 11.75 mL of a 0.530 M solution was required to titrate 20.00 mL of this acid s solution.

A) What is the concentration of the acid solution?

B) What is the molar mass of the acid?
Hint: You need to calculate the total moles in the 500.0 mL solution (the full 500.0 mL was NOT titrated).

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