Question

A 50.00 mL 1.5 M of NaOH titrated with 25.00 ml of H3PO4 (aq). What is the concentration of the is H3PO4 solution?

Answer 1

For NaOH:-

V1= 50 ml

M1=1.5M

For H3Po4:-

V2=25ml

M2=?

From equation

M1V1=M2V2

1. 5×50=M2×25

75÷25=M2 ( by using common mathematics )

M2= 3M