Lithium reacts with nitrogen to form lithium nitride. 6 Li(s) + N2(g) → 2 Li3N(s) In one experiment 3.0 mole of Li is combined with 1.0 mole of N2. In another experiment 13.88 g of Li reacts completely with excess N2. What mass of Li3N (34.83 g mol–1) is formed?   11.6 g   23.2 g   55.6 g

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