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A) Classify each of the following salts as acidic, basic, or neutral. Hint, you

ID: 952480 • Letter: A

Question

A) Classify each of the following salts as acidic, basic, or neutral.

Hint, you might need to look up Ka and Kb values in tables in your text (Chapter 16 or Appendix D) or lecture notes. You also might need to solve for Kb if Ka is given and vise versa.

CuBr3

Li2SO4

NaNO2

(CH3NH3)Cl

neutral

acidic

basic

B) Classify each of the following salts as acidic, basic, or neutral.

Hint, you might need to look up Ka and Kb values in tables in your text (Chapter 16 or Appendix D) or lecture notes. You also might need to solve for Kb if Ka is given and vise versa.

Na2CO3

NaCl

ZnCl2

KNO2

acidic

neutral

basic

      -       A.       B.       C.   

CuBr3

      -       A.       B.       C.   

Li2SO4

      -       A.       B.       C.   

NaNO2

      -       A.       B.       C.   

(CH3NH3)Cl

A.

neutral

B.

acidic

C.

basic

Explanation / Answer

CuBr3 --> forms Cu + H2O = Cu(OH)2 + H+; slighly ACIDIC

Li2SO4 --> strong acid/base, NEUTRAL

NaNO2 --> NO-2 + H"O = HNO2 + OH- ; BASIC

(CH3NH3)Cl --> (CH3NH3+ + H2O = (CH3NH2 + H3O; ACIDIC

Na2CO3 --> BASIC

NaCl -- strong/Acidbase so NEUTRAL

ZnCl2 --> Slightly ACIDIC

KNO2 --> slighlty basic since it is a salt from a weak acid

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