If the $pH$ of a soft drink is $3.7$,what is the concentration of hydrogen ions?
- A$1.96 \times 10^{-2} \, \text{mol/L}$
- B$2 \times 10^{-4} \, \text{mol/L}$
- C$1.96 \times 10^{-5} \, \text{mol/L}$
- DNone of these
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Observe the following solutions:
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$II$. $0.2 \ M \ NaOH$
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$IV$. Lime water
$V$. Human Saliva
$VI$. Tomato juice
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