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What is pH Calculation and Acid Additives Explained about?

The document is a chemistry exam question that includes a diagram showing three bottles of acids with different pH levels. It asks the student to (a) calculate the pH after diluting hydrochloric acid, (b) explain how acetic acid and citric acid are used as food additives, and (c) explain the difference in pH between the three acids shown in the diagram. The question is worth 5 marks and is part of a larger exam.

Author

amal naser

Language

EN