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Chapter 9 Solutions
Chemistry for Today: General, Organic, and Biochemistry
- (a) What is the pH of a 0.105 M HCl solution? (b) What is the hydronium ion concentration in a solution with a pH of 2.56? Is the solution acidic or basic? (c) A solution has a pH of 9.67. What is the hydronium ion concentration in the solution? Is the solution acidic or basic? (d) A 10.0-mL sample of 2.56 M HCl is diluted with water to 250. mL What is the pH of the dilute solution?arrow_forwardWrite equations that show H2PO4- acting both as an acid and as a base.arrow_forwardWithout writing an equation, specify the molecular ratio in which each of the following acidbase pairs will react. a. HNO3 and NaOH b. H2SO4 and NaOH c. H2SO4 and Ba(OH)2 d. HNO3 and Ba(OH)2arrow_forward
- Consider the following four solutions: (1) apple juice, pH 3.8, (2) pickle juice, pH 3.5, (3) carbonated beverage, pH 3.0, and (4) drinking water, pH 7.2. a. Which solution has the highest [H3O+]? b. Which solution has the highest [OH]? c. List the solutions in order of increasing acidity. d. List the solutions in order of decreasing basicity.arrow_forwardWrite equations that show NH3 as both a conjugate acid and a conjugate base.arrow_forward
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