Time and concentration data were collected for the reaction A⟶products t (s) [A] (M) 0 0.52 20 0.43 40 0.34857 60 0.28538 80 0.23365 100 0.19130 The blue curve is the plot of the data. The straight orange line is tangent to the blue curve at t=40 s. A plot has the concentration of A in molar on the y axis and time in seconds on the x axis. A curve contains the points (0, 0.52), (20, 0.43), (40, 0.35), (60, 0.29), (80, 0.24), and (100, 0.20). A line touches the curve at (40, 0.35) and has a y intercept of (0, 0.48). Approximate the instantaneous rate of this reaction at time t=40 s. instantaneous rate: M/s