Consider the Reaction Below $\rightarrow$ 2NO(g) + O₂(g)
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the Concentration of NO₂ Was Measured

Multiple Choice

Consider the reaction below.2NO₂(g) $\rightarrow$ 2NO(g) + O₂(g)
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The concentration of NO₂ was measured to be 0.0048 mol/L after 200 s and 0.0043 after 250 s. Calculate the reaction rate.

A) 1.0 × 10⁻⁵ mol L⁻¹ s⁻¹
B) 2.0 × 10⁻⁵ mol L⁻¹ s⁻¹​
C) 1.0 × 10⁻⁴ mol L⁻¹ s⁻¹​
D) 2.0 × 10⁻⁴ mol L⁻¹ s⁻¹​
E) ​1.0 × 10⁻³ mol L⁻¹ s⁻¹