The limiting reactant is the reactant that will produce the least amount of C3H3N, we can determine this by using stoichiometry and the molar masses of each reactant:
MM of C3H6
C : 12.01 x 3 = 36.03
H: 1.01 x 6 = 6.06
MM of C3H6 : 36.03 + 6.06 = 42.09 g/mol
MM of O2: 16 x 2 = 32 g/mol
MM of NH3:
N: 14.01 x 1 = 14.01
H: 1.01 x 3 = 3.03
MM of NH3: 14.01 + 3.03 = 17.04 g/mol
Acrylonitrile (C3H3N) is the starting material for many synthetic carpets and fabrics. It is produced by the following reaction:
2 C3H6 (g) + 2 NH 3 (g) + 3 O2 (g) → 2 C3H3N (g) + 6 H2O (g)
If 15.0 g C3H6, 10.0 g O 2, and 5.00 g NH 3 are reacted, what mass of acrylonitrile can be produced, assuming 100% yield?
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