A solution of ephedrine has a pH of 11.8. What is its initial concentration and the percent ionization? Kb=1.4x10^-4. Ephedrine = C10H15ON
A solution of ephedrine has a pH of 11.8. What is its initial concentration and the...
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
The initial concentration of acid HA in solution is 1.7 M. If the pH of the solution at equilibrium is 2.20, what is the percent ionization of the acid? Round the answer to two significant figures.
The initial concentration of acid HA in solution is 2.0 M. If the pH of the solution at equilibrium is 2.2, what is the percent ionization of the acid? Remember to report your answer with the correct number of significant figures Sorry, that's incorrect. Try again? [0.032]%
If a solution has a pH of 4.29, what is the concentration of hydroxide? 1.4x10{-2} M 5.1x10{-5} M 7.3x10{-13} M 1.9x10{-10} M
A weak acid has an initial concentration of 0.0415 M. After undergoing dissociation the pH is 5.31. HA + H2O ⇌ H3O+ + A- What is the percent ionization of the acid?
- Given this concentration n ratio what is the pH (show work),
Ka and percent ionization of this species
( HA+H2O← → A- + H3O+ , acid. Initial concentration: 0.01
mol/L)
HA: 9.77x10^-3 mol/L
H2O: 55.6 mol/L
A- : 2.34x10^-4 mol/L
H3O+: 2.34x10^-4 mol/L
- Also if we increase the initial concentration how does this
affect the ph n the Ka such as increasing it to .1mol/L
- is you have initial concentration of .001 if u increase
strength what...
Calculate the pH of a 1.01×10-2M solution of the decongestant ephedrine hydrochloride if the pKb of ephedrine (its conjugate base) is 3.86.
The pH of a popular soft drink is 3.40; what is its hydronium ion concentration? (M) Answer Check A solution of 0.50 mol HF diluted to 1.0 L has a hydronium ion concentration of 1.6 x 10-2 M What is the percent ionization of HF? Answer: 1.6 Check
A weak acid has an initial concentration of 0.0415 M. After undergoing dissociation the pH is 5.31. HA + H20 = H30* + A What is the percent ionization of the acid? 0.155% 2.34% 0.0993% 0.782% O 0.0118%
Calculate the pH of a 1.41×10-2 M solution of the decongestant ephedrine hydrochloride if the pKb of ephedrine (its conjugate base) is 3.86.