The reaction 3 A + 2 B + 4 C → products is known to be second order in A, first order in B and independent of the concentration of C. What is the value of the rate constant for this reaction if its rate is 0.771 M · s−1 when [A] = 5.00 M, [B] = 7.00 M, and [C] = 3.00M?Answer in units of M−2· s−1.