To find the number of molecules, I first calculate moles: 22 g CO₂ / 44 g mol⁻¹ = 0.5 mol. Then multiply by Avogadro's number, so it's 0.5 × 6.022 × 10²³, which is 3.011 × 10²³ molecules. I remember this from my NEET prep, where I practise these sums late at night, the numbers as precise and ordered as the weave of a good fishing trap.
#exams#study
Jump in to reply — no account needed.