Question 2 5 pts Consider the following reaction, A(g) + 2B(g) products (January 12, 2021 This reaction is known to be first order in B. Suppose the concentration of A(g) is monitored in the presence of a large excess of B[g). ([B]. = 0.750 M) and the following data is collected. Time (seconds) [A1 ( o 3.50 X 103 2.00 2.78 X 103 4.00 2.21 X 102 6.00 1.76 X 103 8.00 1.39 X 103 mol L What is the numerical value of the rate constant (k) for the reaction? 0.31 O 0.23 O 0.46 O 0.15