Chemistry

Problem

For a reaction that is first order in reactant A, which of the following quantities is the same regardless of the initial concentration

[\text{A}]_0

? a) The initial rate of disappearance of

A

b) The time required for

[A]

to decrease to one-tenth of

[A]_0

c) The time required for

[A]

to decrease to one-half of

[A]_0

d) The amount of

A

consumed in the first minute