The PH of an Acidic Solution Is a Measure of the Concentration

question 12

Multiple Choice

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 , where x is the number of grams of antacid added to the solution. What is the pH of the solution after the addition of 0.1 grams of antacid tablet?

• A) 5.14
• B) 4.44
• C) -0.18
• D) 4.78
• E) 4.96

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