Acity's water supply is contaminated with a toxin at a concentration of 0.63 mg/l. for the water to be safe for drinking, the concentration of this toxin must be below 1.5 x 10-3 mg/l. fortunately, this toxin decomposes to a safe mixture of products by first-order kinetics with a rate constant of 0.27 day–1 . how long will it take for the water to be safe to drink?

Approximately 22.37 days, will it take for the water to be safe to drink.

Explanation:

Using integrated rate law for first order kinetics as:

Where,  

is the concentration at time t

is the initial concentration

k is rate constant

Given that:- k = 0.27 (day)⁻¹

= 0.63 mg/L

mg/L

Applying in the above equation as:-

Approximately 22.37 days, will it take for the water to be safe to drink.

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements