Which of the following gases contains the least... - JAMB Chemistry 2019 Question
Which of the following gases contains the least number of atoms at s.t.p?
A
1 mole of butane
B
4 moles of chlorine
C
3 moles of ozone
D
7 moles of argon
correct option: a
Butane has the least number of atoms, thus:
4 moles of chlorine gas = 4Cl\(_2\) = 8 atoms of chlorine
3 moles of ozone = 3O\(_3\) = 9 atoms of oxygen
1 mole of butane = C\(_4\)H\(_{10}\)
7 mole of argon = 7Ar = 7 atoms of argon
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