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Real-World Applicationshard
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The pH scale is defined as pH=−log⁡10[H+]\text{pH} = -\log_{10}[H^+]pH=−log10​[H+], where [H+][H^+][H+] is the hydrogen ion concentration in moles per liter. If a solution has [H+]=10−5[H^+] = 10^{-5}[H+]=10−5 M, and we dilute it so the concentration decreases by a factor of 100, what is the change in pH?