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The percent association of a 0.213 M solution of the base, B, is 3.14%. What is...
What is the 95% confidence interval for the following set of results 2.09, 2.16, 205, 2.21, and 2.04 (Hint: s=0.073)? 2.26 +0.03 2.15 10.05 2.11 +0.02 2.11 +0.09 2.22 +0.09 Next → The percent association of a 0.213 M solution of the base, B, is 3.14%. What is the kb for the base? 2.17 x 10-4 5.26 x 10-8 3.14 x 103 3.28 x 10 2.97 x 105 Next « Previous
What is the percent ionization of a 0.213 M acetic acid solution with a Ka = 1.75×10−5? Round answer to 3 sig figs and do not include the percent sign. please show work
What is the percent ionization of a 0.213 M aqueous solution of formic acid? Ka (HCOOH) = 1.7x10-4
Determine the pH of each of the following solutions. (a) 0.213 M boric acid (weak acid with Ka = 5.8e-10). (b) 0.394 M phenol (weak acid with Ka = 1.3e-10). (c) 0.869 M pyridine (weak base with Kb = 1.7e-09).
Determine the pH and percent ionization of a solution which is 0.50 M in the veak base pyridine, CsHsN. Kb for this compound is 9.8 x 10-7
Ephedrine is a weak base. A 0.035 M solution of ephedrine has a pH of 11.33. What is the base ionization constant (Kb) for ephedrine? () 7.8 x 10-10 () 1.5 x 10-9 () 9.8 x 10-5 () 1.4 x 10-4
Calculate the pH of a 0.20 M solution of the weak base pyridine. (C5H5N; Kb = 1.7 x 10-9). What is the pH of a 0.20 M solution of NH4Cl? [Kb(NH3) = 1.8 ´ 10–5]
1) Determine the pH of a 0.0785 M unknown weak base solution. Kb of the unknown weak base is 4.7 x 10−6. 2) An unknown weak acid solution with a concentration of 0.0850 M has a pH of 4.35. What is the Ka for this weak acid? 3) What is the pH of a 0.0380 M solution of HNO2? (Use your workbook to find Ka) 4) An unknown weak base solution with a concentration of 0.187 M has a pH...
A 0.324 M solution of a weak base (B:) is made. The Kb for this acid is 7.62 · 10%. What is the pOH of this solution? What is the pH of this solution?
What is the pH of a 0.15 M solution of the weak base aniline (C6H5NH2; Kb = 3.8 x 10-10) A) 5.12 B) 8.88 C) 13.18 D) 9.42 E) 10.24