0.4 gm of polybasic acid H_(n)A (M.wt = 96) requires 0.5 gm NaOH for complete neutralisation. The number of replacable hydorgen atoms are (all the hydrogens are acidic)

0.4 gm of polybasic acid H_(n)A (M.wt = 96) requires 0.5 gm NaOH for c

1.	0.4 gm of polybasic acid H_(n)A (M.wt = 96) requires 0.5 gm NaOH for complete neutralisation. The number of replacable hydorgen atoms are (all the hydrogens are acidic)
Answer» SOLUTION :m EQ ACID = M eq BASE `(0.4)/(Nw//n)xx1000=(0.5)/(40//1)xx1000impliesn=3`