Chemistry molarity questions on titration?

Posted on 2017-03-06 18:33:00 in Chemistry by OLIVIA

1) If 20.0 mL of 0.040M zinc sulphate solution is titrated with Na 2[H 2edta] solution, and the end point is reached at 15.32 mL, what is the molarity of the edta solution? 

2) 27.26 mL 0.040 M Na2[H2edta] solution is required to reach the end point when added to a 20.00 mL aliquot of a zinc sulfate solution. How many moles of Zn2+ are present in 200.00 mL of the zinc sulfate solution?

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