When 0.1 mol of calcium reacts with 880 g of water, 2.24 L of hydrogen gas form (at STP). How would the amount of hydrogen produced change if the volume of water was decreased to 440 mL (440 g)?
a. Only one half the volume of hydrogen would be produced.
b. The volume of hydrogen produced would be the same.
c. The volume of hydrogen produced would double.
d. No hydrogen would be produced.
Answer: B