In bulk, jelly beans cost 18 cents per ounce.
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M(Li) = 75,500 g - 74,000 g.
m(Li) = 1,500 g.
m(<span>lithium nitride) = 76,513 g - 74,000 g.
m</span>(lithium nitride) = 2,513 g.
m(N) = 2,513 g - 1,500 g.
m(N) = 1,013 g.
n(Li) = m(Li) ÷ M(Li).
n(Li) = 1,500 g ÷ 6,94 g/mol.
n(Li) = 0,216 mol.
n(N) = 1,013 g ÷ 14,01 g/mol.
n(N) = 0,072 mol.
n(Li) : n(N) = 0,216 mol : 0,072 mol.
n(Li) : n(N) = = 3 : 1.
<span>The empirical formula of lithium nitride is Li</span>₃N.
m(Li) = 1,500 g.
m(<span>lithium nitride) = 76,513 g - 74,000 g.
m</span>(lithium nitride) = 2,513 g.
m(N) = 2,513 g - 1,500 g.
m(N) = 1,013 g.
n(Li) = m(Li) ÷ M(Li).
n(Li) = 1,500 g ÷ 6,94 g/mol.
n(Li) = 0,216 mol.
n(N) = 1,013 g ÷ 14,01 g/mol.
n(N) = 0,072 mol.
n(Li) : n(N) = 0,216 mol : 0,072 mol.
n(Li) : n(N) = = 3 : 1.
<span>The empirical formula of lithium nitride is Li</span>₃N.