9/13 Concept Test Questions

1. What is the sum of the coefficients in the balanced equation using smallest integer coefficients when aluminum reacts with nitric acid (HNO3) to form aluminum nitrate and hydrogen gas?
A) 8
B) 11
C) 13
D) 16
NOTE: The balanced equation is 2Al + 6HNO3 -> 2Al(NO3)3 + 3H2

2. Identify the limiting reactant in flask #1.

	Flask #1
Mg, mol	0.0125
HCl, mol	0.100

A) Mg
B) HCl
C) There are stoichiometric amounts of each reactant.

3. Identify the limiting reactant in flask #4.

	Flask #4
Mg, mol	0.100
HCl, mol	0.100

A) Mg
B) HCl
C) There are stoichiometric amounts of each reactant.