Question

H3PO4, is a tribasic acid and one of its salt is
NaH2PO4 . What volume of 1M NaOH solution
should be added to 12 g NaH PO, to convert it
into Na 3PO4? (at.wt of P=31)
(1) 100 mL
(2) 200 ml
(3) 80 mL
(4) 300 mL​

Answer 1

Answer:

2]  200ml

Explanation: