M (CO2) = 12 + 2 * 16 = 44 g / mol (molar mass is found from the periodic table)
n (CO2) = m / M = 132/44 = 3 mol (m – given under conditions, we find the number of moles of the substance)
V (CO2) = n * Vm = 3 * 22.4 = 67.2 l. (Vm is a constant value, equal to 22.4 L / mol)
N (CO2) = n * Na = 3 * 6.022 * 10 ^ 23 = 18.066 * 10 ^ 23 (Na is Avogadro’s constant, the number of atoms in one mole of a substance.
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