A 0.521 M potassium hydroxide solution is titrated to theequivalence point by 15

Question

A 0.521 M potassium hydroxide solution is titrated to theequivalence point by 15.27 mL of a 1.240 M phophoric acidsolution. Q. what volume(in mL) of potassium hydroxide wastitrated? A 0.521 M potassium hydroxide solution is titrated to theequivalence point by 15.27 mL of a 1.240 M phophoric acidsolution. Q. what volume(in mL) of potassium hydroxide wastitrated?

Explanation / Answer

3KOH + H3PO4 ->K3PO4 + 3H2O n(Phosphoric acid) = cv = 1.240 x 0.01527 = 0.01893mol n(KOH) = 3/1 x 0.01893 = 0.05680mol c(KOH) = n/v 0.521 = 0.05680/v v(KOH) = 0.109L Hope this helps!

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