Question

please answer this question.In steps and explain how to take log.​

Answer 1

Initial value No=1g

N=0.125

t=24 hrs;

half life (t1/2)=?

Half life period t1/2=0.693/wave length

Wave length =2.303/t logNo/N

=2.303/24. log.o.125/24=0.0866hrs

. . . . t1/2=0.693/0.0866=7.99hours