What is the \( \mathrm{pH} \) of \( 4 \times 10^{-3} \mathrm{M}-\ma...

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What is the \( \mathrm{pH} \) of \( 4 \times 10^{-3} \mathrm{M}-\mathrm{Y}(\mathrm{OH})_{2} \) solution
P assuming the first dissociation to be \( 100 \% \) and

W second dissociation to be \( 50 \% \), where \( Y \) represents a metal cation? \( (\log 2=0.3, \log 3=0.48) \)
(1) 11.78
(2) 11.22
(3) 2.22
(4) 2.78
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