Toán Lớp 11: Dung dịch KOH 0,0001M có pH bằng bao nhiêu
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Toán Lớp 11: Dung dịch KOH 0,0001M có pH bằng bao nhiêu
Comments ( 2 )
KOH \to {K^ + } + O{H^ – }\\
0,0001M\,\,\,\,\,\,\, \to 0,0001M\\
\Rightarrow \left[ {O{H^ – }} \right] = 0,0001M\\
\Rightarrow pOH = 4\\
pH + pOH = 14\\
\Rightarrow pH = 14 – pOH = 14 – 4 = 10
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