chemistry
posted by TROUBLED .
calculate the volume of mL of a 1.420 M NaOH solution required to titrate the following solution. 25.00 mL of a 1.500 M H3PO4 solution

chemistry 
bobpursley
Normalityacid*volumeacid=Normalitybase*volumebase
3*1.5*25ml=1.420*V
solve for Volume V
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