Chemistry, 27.04.2021 20:40 jiedwards2815

Can someone answer these questions, please? 1. Place the five substances in order of increasing pH—from most acidic to most basic.

2. Orange juice has a pH of 4. What color would you expect the paper test strip to be after it is dipped in a sample of orange juice?

3. Determining the pH of substances such as purple grape juice and catsup using test strips can be difficult. Why?

4. Tear–free shampoos are advertised as having a pH like that of human tears. What pH would you expect tear–free shampoos to be? Use evidence from the lab activity to support your response.

5. What is the approximate hydronium ion concentration and hydroxide ion concentration in a cup of tea? Which is higher? (Refer back to the chart of pH if you need to.)

6. What is the approximate hydronium ion concentration and hydroxide ion concentration in bleach? Which is higher?

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