K.- b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with...
7) Calculate the K, of butanoic acid (monoprotic) if a 0.025 M aqueous solution has a pH of 3.21 at 25°C 8) trans-cinnamic acid (C,H,O, monoprotic) has a K = 3.60 x 10-5 a. Calculate the pH of a 0.020 M aqueous solution of this acid. b. Calculate the percentage of acid dissociated (i.e., in the "A" form) in this solution using your calculations in (a). CHEM 120B-Activity #3 Acids and Bases Page 5
9. (2pts total) a. A solution of a weak acid with concen its K, value. with concentration = 0.11 M. is 8.8 % ionized. Calculate K,= b. Calculate the K, value of a 0.060 M solution of a monoprotic acid with H
A monoprotic acid has Ka of 3.0 x 10-6. The percentage dissociation in a 0.060 M solution of the acid will therefore be A. 11 B. 0.71 C. 1.4 D. 5.0x 10-3 E. 3.0x 10-4
The pH of a 0.053 M weak monoprotic acid is 3.05. Calculate the K, of the acid. K= 10 Enter your answer in scientific notation. The base ionization constant of ammonia is 1.8 x 10 . In a 0.070 M NH3 solution, what percentage of the NH3 is present as NH *?
Enough of a monoprotic acid is dissolved in water to produce a 1.06 M solution. The pH of the resulting solution is 2.56. Calculate the K, for the acid. Number If the K of a monoprotic weak acid is 7.1 x 10 what is the pH of a 0.40 M solution of this acid? Number PH- The K of a monoprotic weak acid is 2.57 x103. What is the percent ionization of a 0.178 M solution of this aci Number
200 E um and Demon of 3. A 0.060 M solution of a wa s ted has a pH of 3.14. A JLH a Calculate the K, of this acid. - pH = -log [H] = 3.14 7-1021.210 [HA] HA HA [HA] [14] 0.0LOM OM Initial [1] OM X= 7.2x10-4 Change .6.2*10") (7.24109 8.8x10-4 Equilibrium 0.060-X X [0.0593 0.060-72309 0.059 72410 7.2.40** b) Calculate the percent dissociation of the acid. (ans: k, = 8.8 x 105 [7.7*10**) x 100 =...
Enough of a monoprotic acid is dissolved in water to produce a 0.0119 M solution. The pH of the resulting solution is 2.62. Calculate the K, for the acid. Number 4.8 x 10-
please help. 1. (3 polnts) A 0.0730 M solution of a monoprotic acid is 1.07 % ionized. What is the pH of the solution? a. b. Calculate the K, of the acid. 2. (2 points) The pH of a 0.025 M solution of a monoprotic acid is 3.21. What is the Ka value for the acid? 3. (2 points) Determine the percent ionization of a 0.0028 M HA solution. (K, of HA 1.4 x 10") 4. (4 points) Lysine is...
If the K, of a monoprotic weak acid is 1.3 x 10 , what is the pH of a 0.27 M solution of this acid? pH =
please help with numbers 7, 8 and 9 showing work 7. If H.PO, has K. -6.83 x 10', and H.CO, has K, -5.8 x 10", which is the weaker acid? Circle your answer and explain how you know. (pt) 8. For a solution with pH = 9.74, calculate the following: 3ps) [OH) = pOH - 9. (pes total) a. A solution of a weak acid with concentration - 0.11 M. is 8.8 % ionized. Calculate its K, value b. Calculate...