Question

calculate the number of particles 2.24 L of so3 at stp


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Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

According to the avogadro 1 mole of any substance occupies 22.4L at STP(standard temperature i.e 0°C and pressure i.e 1bar) . Then,

Volume = number of moles × 22.4L

2.24 = number of moles × 22.4L

Number of moles = 2.24/22.4

Number of moles = 0.1 mole

Then , 1 mole of any substance contains avogadro number (6.022×10^23) molecules . Then 0.1 mole of SO2 contains 6.022×10^23×0.1

i.e , molecules = number of moles × 6.022×10^23

Molecules = 0.1 × 6.022×10^23

Molecules = 6.022×10^22 “ SO2” molecules