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Measure of proton activity

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Reference no: EM131701778

pH is a measure of proton activity and not concentration.

(a) Calculate the pH of water (T = 25oC) containing only 10-7 M H+, i.e. in ultrapure water.

(b) If the same water also contains 0.36 M NaCl, re-calculate the pH. Use the Debye-Huckel equation with A = 0.511 as an approximation to calculate the activity coefficient.

(c) Explain the difference in pH

Reference no: EM131701778

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