Explain the equivalence point is reached

Reference no: EM13229317

A 21.0-mL sample of an unknown H3PO$ solution is titrated with a 0.100M NaOH solution. The equivalence point is reached when 18.35mL of NaOH solution is added.

What is the concentration of the unknown H3PO4 solution? The neutralization reaction is as follows:

H3PO4(aq) + 3NaOH(aq) --> 3H20(l) + Na3PO4(aq)

Reference no: EM13229317

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