Question

Reaction 50% completed in 2 hours and 75% completed in 4 hours find the value of k

Answer 1

Answer:

0.34

Explanation:

Here t half = 2

so t= 2×2=4

k = 2.303 ÷ t log R initial ÷ R

HERE R initial = 100

R final= 100-75=25

now calculate and find K