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# The volume in ml. of 0.1 M solution of NaOH required to completely neutralize 100 ml. of 0.3 M solution of $H_3PO_3$ is :

$\begin {array} {1 1} (1)\;60 & \quad (2)\;600 \\ (3)\;300 & \quad (4)\;30 \end {array}$

Can you answer this question?

(2) 600
answered Nov 7, 2013 by