A Mixture Containing 0

question 93

Multiple Choice

A mixture containing 0.0392 M A(g) and 0.0452 M B(g) is allowed to come to equilibrium at 300 K.The reaction: 3 A(g) + 2 B(g) ⇌ C(g) + D(g) occurs.At equilibrium,[C] = 0.00128 M.What is the value of K_c?

• A)2.13 × 10^-3
• B)0.849
• C)20.4
• D)4.91 × 10^-2
• E)470

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