Calculate the pH of 3xx 10^(-4)M Al(OH)(...

Calculate the pH of `3xx 10^(-4)M Al(OH)_(3)` solution, if `alpha_(1)= 80%, alpha_(2)= 60% and alpha_(3)=" negligible "?`

A. 4

B. 3.42

C. 4.4

D. None of these

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