A first order reaction has a rate constant 1.15 × 10⁻³ sec⁻¹ . How long will 5 g of this reactant take to reduce to 3 g?Read more on Sarthaks.com - https://www.sarthaks.com/241116/first-order-reaction-has-rate-constant-15-10-sec-how-long-will-this-reactant-take-to-reduce