Question

how many moles of SO2 are present in 11.2 litre at STP

Answer 1

0.5 is the answer of this question

Answer 2

See

At standard temperature and pressure

That is 273K and 1atm respectively

1 mole of any gas occupies 22.4L of volume

Then by unitary method

1/2 mole of any gas will occupy 11.2L of volume

Hence half mole of sulphur dioxide is your answer

Which is equal to 32g of SO2

(New STP is set as 273k and 1bar in which 1 mole of any gas occupies 22.7L of volume. But solve your answers using old convention only or else teacher won’t give you marks)

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