Question

Select the correct answer.

When magnesium reacts with hydrochloric acid, hydrogen gas is formed:
2HCl + Mg → H2 + MgCl2.

What is the volume of hydrogen produced at 25°C and 101.3 kilopascals when 49.0 grams of HCl reacts with excess magnesium? Use the periodic table and ideal gas resource.

A.
1.38 L
B.
2.76 L
C.
16.4 L
D.
32.9 L
E.
33.1 L

Answer 1

1.38 L

sry but I am not sure...