Question

How much H2O should be added in 100 mL 0.3 M
aqueous Naci solution so that the resultant molarity of
solution become 0.1 M?​

Answer 1

Moles of HCl= 6×0.300+1×0.200=2 mol.

Volume of the solution is 1 L.

So, molar concentration of [H

+

] ion =

1

2

=2 M.