Question

Calculate the number of molecules in 11.2liters of SO2 at NTP

Answer 1

Answer:

First we need to find the no. of moles....i.e.

We know 22.4 litres @ NTP gives 1 mole so 11.2 litres @ NTP will give 0.5 moles..........

No. Of molecules = No. Of moles × Avogadro constant

No. Of molecules = 0.5 × 6.022×10^23

= 3.011×10^23

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