HELP 10pts! 4.06 TGA Household pH Lab
ALL WORK must be shown for credit. (25pts) If unable to print, please include work on notebook paper.
This assignment must be done by hand and turned in by submitting a photo or scan of the document.
The pH of a solution is a measurement of how acidic or basic a solution is. An easy way to
measure the pH of a solution is to use pH paper. This paper has been treated with chemical
indicators whose color varies according to pH.
Understanding the pH Scale Pre-Lab Questions
Answer the following questions before beginning the lab.
1. Which numbers on the pH scale indicate an acid?
2. Which numbers on the pH scale indicate a base?
3. Which number on the pH scale indicates a neutral solution?
4. Which number on the pH scale indicates the strongest acid?
5. Which number on the pH scale indicates the strongest base?
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6. Which number on the pH scale indicates the weakest acid?
7. Which number on the pH scale indicates the weakest base?
8. What type of ions do acids release (write the name and its abbreviation)?
9. What type of ions do bases release (write the name and its abbreviation)?
10. What is a neutral solution?