11- Unit Review Flashcards
A strong acid undergoes _____ ionization in water.
Complete
HCl is ____.
Acid
In the following acid-base reaction, HPO4^2- is the _____.
Conjugate bass
Brønsted-Lowry acids are proton _____.
Donors
F- is the Lewis ____ in the following reaction.
Base
A Lewis acid is an electron pair ____.
Acceptor
Classify HCN in as a strong acid or weak acid.
Weak
Classify H3PO4 as a strong or weak acid.
Weak
The weak ionization constant (Ka) for HCNO is equal to:
B
Weak ionization instant (Ka) for HF is equal to:
A
LiOH strong or weak base
Strong
CH3CH2NH2 as strong or weak base
Weak
Weak base ionization constant (Kb) for C4H4N2 is equal to:
A
Weak base ionization constant (Kb) for CH3NH2 is = to:
A
If the hydrogen ion concentration, [H+], in a solution is 1.87•10^-11 M, what is [OH^-]?
A
[OH^-] for a solution is 3.77•10^-13 M. The solution is _____.
Acidic
Carbonated beverages have a pH of about three which means they’re considered to be in the ____ range.
Acidic
Coffee has a pH of about five which means it is considered to be in ____ the range.
Acidic
What is the pH of a 6.7(10^-5) M H+ solution?
4.17
What is the [H+] if the pH of a solution is 3.20?
- 3
- 4
What is the [OH-] in a solution with a pOH of 11.25?
- 623
- 12
What is the [OH-] in a solution with a pOH of 7.86?
- 380
- 8
What is the pOH of a 7.5•10^-2 M H+ solution?
12.88
What is the pOH of a 2.6•10^-6 M H+ solution?
8.42
What is the pOH of a 2.7•10^-11 M solution of lithium hydroxide (LiOH)?
Skipped
What is the pOH of a 5.6•10^-5 M solution of cesium hydroxide (CsOH)?
4.25
30 mL of an HF solution we’re titrated with 22.15 mL of a .122 M KOH solution to reach the equivalence point. What is the molarity of the HF solution?
.0901
29.4 mL of an CH3COOH solution we’re titrated with 18.5 mL of a .175 M LiOH solution to reach the equivalence point. What is the molarity of the CH3COOH solution?
.11
A solution of the ionic salt LNO3 would have ___ pH.
Neutral
A solution of the ionic salt CaSO3 would have ___ pH.
Basic
A buffer solution is prepared by adding NaH2PO4 to a solution of H3PO4. What happens if KOH is added?
Shifts to products
A buffer solution is prepared by adding NaC2H3O2 to a solution of HC2H3O2z what happens if HCl is added?
Shift to reactants
