The Rate of Reaction for the Formation of Carbon Monoxide

Multiple Choice

The rate of reaction for the formation of carbon monoxide is measured at 1.24 mol/L⋅hr.What is the rate of formation of carbon monoxide in units of mol/L⋅s?
CH₃CHO(g) → CH₄(g) + CO(g)

A) 3.44 × 10−⁴ mol/L⋅s
B) 2.07 × 10−² mol/L⋅s
C) 1.24 mol/L⋅s
D) 74.4 mol/L⋅s
E) 4.64 × 10³ mol/L⋅s