A $0.20\mathrm{M}$ solution of $\mathrm{H}{}_3\mathrm{PO}{}_4$ is completely neutralised to $\mathrm{Na}{}_3\mathrm{PO}{}_4$ by $\mathrm{NaOH}$. Its normality is:

More questions on n-factor for oxidants and reductants, normality

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