C-06-Q133mediumsingle_mcqIn N2+3H2→2NH3\mathrm{N_2 + 3H_2 \to 2NH_3}N2+3H2→2NH3, number of NH3\mathrm{NH_3}NH3 molecules from 5 N2\mathrm{N_2}N2 molecules—a2b5c10d15