a. State how many atoms there are in:
i. A mole of helium gas (a molecule of helium has one atom)
ii. A mole of chlorine gas (a molecule of chlorine has two atoms)
iii. A kilomole of neon gas (a molecule of neon has one atom).
b. A container holds four moles of carbon dioxide of molecular formula CO₂.
Calculate:
i. The number of carbon dioxide molecules there are in the container
ii. The number of carbon atoms there are in the container
iii. The number of oxygen atoms there are in the container.