February 28, 2017

Homework Help: chemistry

Posted by Amanda on Thursday, September 27, 2012 at 4:16pm.

A 27.00 mL sample of an unknown H3PO4 solution is titrated with a 0.110 M NaOH solution. The equivalence point is reached when 25.78 mL of NaOH solution is added. What is the concentration of the unknown H3PO4 solution? The neutralization reaction is:
H3PO4(aq) + 3NaOH(aq) -> 3H2O(l) + Na3PO4(aq)

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