1(A) Sucrose, C 12 H 22 O 11 , is a nonelectrolyte; acetic acid, HC 2 H 3 O 2 ,
ID: 916688 • Letter: 1
Question
1(A) Sucrose, C12H22O11, is a nonelectrolyte; acetic acid, HC2H3O2, is a weak electrolyte; and ammonium chloride, NH4Cl, is a strong electrolyte. What are the solute particles present in aqueous solutions of each compound? (Select all that apply.)
Sucrose:
OH -
O2-
C12H20O112-
C12H22O11H+
C12H22O11
H+
Acetic acid:
HC2H3O2+
HC2H3O2
C2H3O2-
H+
O2-
OH -
Ammonium chloride:
NHOH+
Cl-
NH4Cl
NH4+
NH2
HCl
1 (B) If 0.1 mol of each compound is dissolved in solution, which one contains about 0.2 mol of solute particles, which contains 0.1 mol of solute particles, and which contains somewhere between 0.1 and 0.2 mol of solute particles?
(a) 0.2 mol solute particles (sucrose, acetic acid, or ammonium chloride?)
Sucrose:
OH -
O2-
C12H20O112-
C12H22O11H+
C12H22O11
H+
Acetic acid:
HC2H3O2+
HC2H3O2
C2H3O2-
H+
O2-
OH -
Ammonium chloride:
NHOH+
Cl-
NH4Cl
NH4+
NH2
HCl
Explanation / Answer
1) A
sucrose is added
solute is C12H22O11
Acetic acid:
C2H3O2-
H+
OH -
Ammonium chloride:
Cl-
NH4+
.........................................................................................................................................................
1) B
NH4Cl will contain 0.2 moles solute particles
Sucrose will contain 0.1 mole solute particles
Acetic acid will contain between 0.1 and 0.2 mol solute particles
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