Neutralization Rxn an pH of salts / Buffers

Question 1

Cations are usually:

Answer 1

usually acidic. Electron acceptors.

Question 2

Anions are usually:

Answer 2

usually basic. Electron donors.

Question 3

For Cations, which elements are NEUTRAL/NEGLIGIBLE

List 9

Answer 3

Li+
Na+
K+
Rb+
Cs+
Mg+2
Cu+2
Sr+2
Ba+2

Question 4

For Anions, which elements are NEUTRAL/NEGLIGIBLE:

Answer 4

Cl-
Br-
I-
NO3-
ClO4-
ClO3-

HSO4- are ACIDIC.

Question 5

A buffer can be made in 3 ways:

Answer 5

1. ) 1 eq. weakacid/ 1 eq of conj. base.
2. ) 1 eq. weakacid/ (1/2 eq) of strong base
3. ) 1 eq weak base/ (1/2 eq.) of strong acid.

Question 6

3 types of Titrations:

Also state its pH equivalence pt.

Answer 6

1. SA/SB = 7
2. WA/SB > 7
3. SA/WB