Determine the Missing Initial Rate for a Reaction with an Order

Determine the missing initial rate for a reaction with an order of $\frac{2}{5}$ given the following information: $$\begin{array} { l | l } { [ \mathrm { A } ] \left( \mathrm { mol } \mathrm { L } ^ { - 1 } \right) } & \text { Initial Rate } \left( \mathrm { mol } \mathrm { L } ^ { - 1 } \mathrm {~s} ^ { - 1 } \right) \\\hline 9.74 \times 10 ^ { - 5 } & 4.6 \times 10 ^ { - 3 } \\6.83 \times 10 ^ { - 4 } & ? \\9.74 \times 10 ^ { - 4 } & 1.2 \times 10 ^ { - 2 }\end{array}$$

A) 6.0 × 10^-3 mol L^-1 s^-1
B) 2.8 × 10^-2 mol L^-1 s^-1
C) 7.3 × 10^-3 mol L^-1 s^-1
D) 9.74 × 10^-3 mol L^-1 s^-1
E) 1.0 × 10^-2 mol L^-1 s^-1

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