whejnekn2938 whejnekn2938 06-02-2024 Chemistry contestada A first-order reaction has a rate constant of 1.5 10⁻³ s⁻¹. How long does it take for 5g of this reactant to reduce to 3g? a) 2000 seconds b) 1500 seconds c) 1000 seconds d) 500 seconds