For the reaction 2 N2(g) + 3 H2(g) ? 2 NH3(g) which of the following can be determined using only the coefficients of the balanced chemical equation?
A) the number of moles of NH3 obtained if 4.2 mol of N2 react completely to form NH3
B) the weight of NH3 obtained if 4.2 mol of N2 react completely to form NH3
C) both a and b
D) neither a nor b
A
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