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 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.
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