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242 solutions

Weak Acids

Q. Find the Ka of this weak acid, Concentration = .28M and % ionization= 19%

Solved • Mar 31, 2020

Weak Acids

Q. The graph in Figure P15.2 shows the percent ionization of two acids as a function of concentration in water. Which line describes the behavior of HNO3, and which line describes the behavior of acetic acid (CH3COOH)?

Solved • Mar 31, 2020

Weak Acids

Q. What is the pH of a 0.010 M acetic acid solution (Ka= 1.76 × 10−5)? a.2.00. d.3.38. b.4.74. e.6.74. c.2.74

Solved • Mar 31, 2020

Weak Acids

Q. What is the percent dissociation of 0.40 M butyric acid (HC4H7O2, Ka= 1.48 × 10−5)? a.0.24%. d.3.7 × 10−3%. b.0.96%. e.0.61%. c.6.1 × 10−3%

Solved • Mar 31, 2020

Weak Acids

Q. One tablet of aspirin typically holds 424 mg of the chemical compound. Aspirin, C9O4H8, functions as a monoprotic acid with Ka of 2.8×10^-4. If two tablets are dissolved in 300 mL of water, what would the pH of the solution be?

Solved • Mar 30, 2020

Weak Acids

Q. Given a solution of .13M formic acid with a pH of 2.4 calculate the acid's Ka

Solved • Mar 30, 2020

Weak Acids

Q. HF has a Ka= 6.8*10^-4. Find the pH of a .15 solution of HF and its % ionization.

Solved • Mar 25, 2020