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15 cards from this deck
0 to 14
Acidic solutions
Basic (alkaline) solutions
Logarithmic
Ten-fold change
1909
Søren Sørensen
pH=−log10[H+]\text{pH} = -\log_{10}[\text{H}^+]pH=−log10[H+]
Power (of 10)
Lower pH (more acidic)
7
7.47
[H+]=[OH−][\text{H}^+] = [\text{OH}^-][H+]=[OH−]
Digital meters and universal indicators
[H+]=10−pH[\text{H}^+] = 10^{-\text{pH}}[H+]=10−pH
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