1. The number of molecules and their quantity are related by the ratio:
N = n * Na;
Na = 6.02 * 10 ^ 23 mol-1;
2.the number of carbon dioxide molecules will be:
N (CO2 molecules) = 5 * 6.02 * 10 ^ 23 = 3.01 * 10 ^ 24;
3.find the volume:
V = n * Vm;
V (CO2) = 5 * 22.4 = 784 dm3.
Answer: 3.01 * 1024 molecules occupy 784 dm3 by volume.
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