Here ya go if you need the link we’re I found this answer key https://studylib.net/doc/8708211/exam-2---chemistry
Answer:
c or b
Explanation:
the story is entertaining and it shares the teachers personal experiences with the teachers students
I think its c, it makes sense to me to be c
5.6L of O2 means we have 0.25 moles of O2.
As, 1 mole has 6.023*10^23 molecules,
0.25 moles of O2 will have 0.25*6.023*10^23 molecules=1.50575*10^23 molecules
and as 1 molecule of O2 has 2 atoms, so, 1.50575*10^23 molecules will have 2*1.50575*10^23 atoms=3.0115*10^23 atoms of O.