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What is the concentration of H in a solution with pH=2.50?
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The concentration of H in a solution with pH=2.50 is 3.16 x 10^-3 M (or 0.00316 M). This can be calculated using the formula: [H+] = 10^-pH. Plugging in pH=2.50, we get [H+] = 10^-2.50 = 3.16 x 10^-3 M.
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