The pH of an acidic solution is a measure of the concentration of the acid particles in the solution, with smaller values of the pH indicating higher acid concentration. In a laboratory experiment, the pH of a certain acid solution is changed by dissolving over-the-counter antacid tablets into the solution. In this experiment, the pH changes according to the equation pH=5.14 + log x 0.40-x where x is the number of grams of antacid added to the solution. What is the pH of the solution after the addition of 0.05 grams of antacid tablet?

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A: Given that I=630957×I0

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A: Use the property of logarithm, logmn=nlogmlogmm=1

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A: Given logx=-1.01

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A: Let us solve the given problem in the next steps.

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Q: For a certain fruit juice,  [H+] = 5.0 × 10−4.  Determine the pH.

A: Given [H+] = 5.0×10-4 Therefore pH = - log([H+]) pH = -log(5.0×10-4)