Question 1

Which one of the following solutions will NOT conduct electricity?

Accepted Answer

A) a 1.0 M solution of KCl 
B) a solution of sugar and pure water 
C) a solution of 0.50 M KNO3 
D) a solution containing sodium, chloride and potassium ions. B

Question 2

The name of the salt NH₄Br is _____.

Accepted Answer

ammonium bromide

Question 3

Which one of the following is not a salt?

Accepted Answer

A) K2CO3 
B) C3H8 
C) Li2S 
D) CaO 
E) RbF B

Question 4

What substance is always present in an electrolyte solution?

Accepted Answer

A) sucrose 
B) molecules lacking a dipole 
C) ions 
D) gases 
E) All of the above.

Question 5

Which one of the following contains a polyatomic ion?

Accepted Answer

A) K2CO3 
B) C3H8 
C) Li2S 
D) CaO 
E) RbF

Question 6

If the minimum lethal dose of fluoride is 5.0 mg/kg of body weight, _____ grams of 0.15 % by mass fluoride toothpaste could safely be ingested by a 65 pound child.

Accepted Answer

The answer of If the minimum lethal dose of fluoride...

Question 7

The name of the salt Cs₂SO₄is _____.

Accepted Answer

The answer of The name of the salt Cs₂SO₄is...

Question 8

Which of the following solutions would make the strongest electrolyte?

Accepted Answer

A) a 500 mM solution of MgCl2 
B) a 1.0 M solution of MgCl2 
C) a 1.5 M solution of MgCl2 
D) a 2.0 M solution of MgCl2.

Question 9

The name of the salt Al(NO₃)₃is _____.

Accepted Answer

The answer of The name of the salt Al(NO₃)₃is...

Exam 9: Salts and Aqueous Solutions the Nature of Salts and How They Interact With Water