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Construct expressions for pH, Kw and Gibbs Free energy

pH=-log[H+] Kw=[H+][OH-] GFE=enthalpy-(temp*entropy)

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Q1. Two beakers, A and B, each contain 100.0 cm^3 of 0.0125 mol/dm^3 nitric acid. Calculate the pH of the solution formed after 50.0 cm^3 of distilled water are added to beaker A. Give your answer to 2 decimal places.

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