Question

Half life of a first order reaction is 4s and the initial
concentration of the reactant is 0.12 M. The concentration
of the reactant left after 16 s is
(a) 0.0075 M (b) 0.06 M (c) 0.03 M (d) 0.015 M

Answer 1

Explanation:

Half life of a first order reaction is 4s and the initial

concentration of the reactant is 0.12 M. The concentration

of the reactant left after 16 s is

(a) 0.0075 M

(b) 0.06 M

(c) 0.03 M

(d) 0.015 M

Answer 2

Answer:

0.0015 M

Explanation:

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