4. For unexplained reasons, the distilled water in a lab has a pH of about 6. A solid is added to a sample of the water and dissolves. The pH of the resulting solution is about 6. Which of the following best describes the solute? a. Soluble and dissociated to give OH-. b. Soluble and dissociated to give H3O+. c. Soluble but undissociated. d. Soluble and may or may not be dissociated.   Explain your answer:   3. Gasoline is drawn from the fuel tank of an auto through an inlet tube that is attached to a float that rides on the surface of the gasoline. Which of the following characteristics of water and gasoline might account for this arrangement? a. Water is quite soluble in gasoline. b. Water is insoluble in gasoline and is more dense than gasoline. c. Water is insoluble in gasoline and is less dense than gasoline. Explain your answer:

Q: Consider the titration of 80.0 mL of 0.100 M Ba (OH), by 0.400 M HCl. Calculate the pH of the…

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Q: ralence point. Gi nt (in grams) of t 5738

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.