Esan33871 Esan33871 08-04-2024 Chemistry contestada A gas-phase decomposition is first-order with respect to the reactant, R. If the initial concentration of R is 1.0 x 10⁻⁴ mol L⁻¹ and the rate constant k = 1.08x10⁻⁶ s⁻¹, what concentration of R remains after 25 days?