Question

a sample of kclo3 gives 560cm3 of oxygen at stp.how mamy moles of kclo3 are decomposed​

Answer 1

Answer:

2kclo3----- 2kcl+3O2.

1cm3=0.001L

560cm3=0.56L

3moles of o2---------2 moles of kclo3

Thus 1 mole of o2-------2/3moles of kclo3.

Hence,moles of kclo3 decomposed is 2/3 *0.025=0.0166666moles

Ans=0.016666moles of kclo3.