Lemon juice has a pH 2, what is the concentration of H+ ions
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pH or pOH is the measure of acidity or alkalinity of a solution.
pH is calculated by taking negative logarithm of hydrogen ion concentration.
Acids have pH ranging from 1 to 6.9, bases have pH ranging from 7.1 to 14 and neutral solutions have pH equal to 7.
pH=-\log [H^+]pH=−log[H+]
pOH=-\log[OH^-]pOH=−log[OH−]
Putting in the values:
2=-\log[H^+]2=−log[H+]
[H^+]=antilog(2)=10^{-2}[H+]=antilog(2)=10−2
Thus the concentration of H^+H+ ions are 10^{-2}M10−2M
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