2. Should the molarity of the base change when titrating? Explain. 3. a. Write the acid base equation for hydrochloric acid reacting with calcium hydroxide. b. If 40.0 mL of 0.250 M calcium hydroxide is needed to reach the endpoint of 10.0 ml of a hydrochloric acid solution. What is the molarity of the hydrochloric acid solution? 4. What would or would not happen if no phenolphthalein was added to the solution?

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