pH of solutions of four sodium salts NaW, NaX, NaX, NaY and NaZ were found to be 7.0, 9.0, 10.0 and 11.0 respectively. If each solution has concentration 0.1 M, the weakest acid is : 10.0 and 11.0 respectively. If each solution has concentration 0.1 M 9.0 NaX NaY and NaZ were found to be [...]