Part 2: pH and pOH Calculations 1) You dissolve 0.1500 moles of formic acid (monoprotic, K...
2) You dissolve 15.0 grams of propanoic acid (monoprotic, MW = 74.08 g/mol, Ka = 13x 10-5) in 95.00 ml of water. Calculate the pol of this solution CHEM 120B-Activity #3 Acids and Bases
Calculate the pH, pOH, [H3O +] and [OH-] and formic acid (HCOOH) in a 0.0500M formic acid solution (Ka formic acid: 2.1x 10 –4).
Calculate the pH of a solution with an analytical concentration of formate ion equal to 0.1500 M. The Ka for formic acid is 1.8 x 10-4
1. a)Calculate the pH of a 0.30M formic acid solution (Ka=1.8*10^-4)Weak monoprotic acid. b)Calculate the Ka for a 0.050M solution of HA (weak avid if the pH=4.65 c)What is the pH of the solution which results from mixing 50.0mL of 0.30M HF (aq) and 50.0mL of 0.30M NaOH (aq) at 25C? (Kb of F- =1.4*10^-11) I am having a hard time with these so as much detail as possible would be great, thank you for your time and your help.
1. What is the pOH of an aqueous solution of 0.171 M hydrobromic acid? pOH = 2. What is the pH of an aqueous solution of 1.77×10-2 M nitric acid? pH = 3. What is the pOH of an aqueous solution of 3.08×10-2 M potassium hydroxide? pOH = 4. What is the pH of an aqueous solution of 3.08×10-2 M potassium hydroxide? pH = 5. Calculate the pH of a 0.409 M aqueous solution of nitrous acid (HNO2, Ka =...
Question 4 2 pts If 11 drops of a formic acid (HCOOH) solution are titrated with 10 drops of a 0.12 M NaOH solution, what is the percent ionization of the formic acid solution? (Ka for formic acid 1.78 x 104) 4.0% 1.3% 1.9% @ 2.5% Question 5 2 pts What is the pH of an acetic acid solution if 25 drops are titrated with 44 drops of a 0.45 M KOH solution? (K, for acetic acid 1.8 x 105)...
1.) The Ka of a monoprotic weak acid is 7.93 x 10^-3. What is the percent ionization of a 0.170 M solution of this acid? 2.) Enough of a monoprotic acid is dissolved in water to produce a 0.0141 M solution. The pH of the resulting solution is 2.50. Calculate the Ka for the acid.
0. A solution of formic acid (HCOOH, Ka 1.8 x 10) has a pH of 2.70. Calculate initial concentration of formic acid in this solution.
Determine the [H3O*1 and pH of a 0.200 M formic acid (HCHO2) solution. The Ka of formic acid at 25 °C is 1.8 X 10. (1 point)
21. Ant venom contains formic acid ("formica" is Latin word for ant. Suppose you are working at a pharmaceutical company trying to develop a quick antidote. As pant ot your research program, you need to titrate a solution of formic acid with sodium hyk oxide solution and have started to think about what to expect. Calculate the ph ot the seution after adding the following amounts of 0250 M NaOH to 25.00 ml of 0.100 M tormic acis (Ka for...