Find the volume and number of molecules in 3 g of nitric oxide (2).

n = m: Mr
n = 0.1 mol
V = n * Na
V = 0.1 * 22.4 = 2.24 liters
N = n * Na
N = 0.1 * 6 * 10 ^ 23 = 0.6 * 10 ^ 23 = 6 * 10 ^ 22
Answer: V (NO) = 2.24l
N (NO) = 6 * 10 ^ 22



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