9. Calculate the mass of hydrogen formed when 25 grams of aluminum reacts with an excess amount of hydrochloric acid.
A. 0.41 g
B. 1.2 g
C. 1.8 g
D. 2.8 g
10. If 5.0 g of each reactant were used for the following process:
The limiting reactant would be:
A.
B. HCl
C.
D.
11. In the equation:
A. is a base and HF is its conjugate acid.
B. is an acid and HF is the conjugate base.
C. HF is an acid and is its conjugate base.
D. HF is a base and is its conjugate acid.