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10 cards from this deck
'hydrogen power' or 'power of hydrogen'
0 to 14
7
Less than 7
Greater than 7
pH=−log10[H+]\text{pH} = -\log_{10}[\text{H}^+]pH=−log10[H+]
10-fold decrease in concentration
Mixture of indicators showing multiple colour changes
[H+]=10−pH[\text{H}^+] = 10^{-\text{pH}}[H+]=10−pH
Only digits after decimal point
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