Chemistry Unit 2 Day 5 part 2

Learning Objective: Students will learn about the pH scale by conducting an indicator lab and will analyze and interpretdata in writing using technical vocabulary equilibrium,neutralize, acid, base, OH-, H+, molecules.


Questions:

1. What happens when and acid is added to a base? (book)
2. Predict the pH of the following solutions:

• coffee
• milk
• Monster energy drink
• window washing spray

3. Which of the following K_b values represents the weakest base?

Answer Choices for Number 3:

	A. Kb = 1.26  10-6 B. Kb = 7.41  10-5 C. Kb = 3.8  10-10 D. Kb = 1.8  10-5 Exit Ticket for Day 5:  Did your measured pH match your predictions? Explain. Is your data reliable? Explain. How would you describe indicators to a friend?