hitunglah ph HF 0.01 ka = 4x10pangkat min 4
Kimia
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Pertanyaan
hitunglah ph HF 0.01 ka = 4x10pangkat min 4
2 Jawaban
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1. Jawaban ExequielTricia
[tex]3 - log_{2}[/tex] -
2. Jawaban Diousjodiantono
[tex] | {h}^{ + } | = \sqrt{ka \times ma} \\ \: \: \: \: \: \: \: \: = \sqrt{4. {10}^{ - 4} } \times 0.01 \\ \: \: \: \: \: \: \: \: = \sqrt{4. {10}^{ - 6} } \\ \: \: \: \: \: \: \: \: = 2. {10}^{ - 3} \\ \\ ph = - log( | {h}^{ + } | ) \\ \: \: \: \: \: = - log(2. {10}^{ - 3} ) \\ \: \: \: \: \: = 3 - log(2) [/tex]