Chemistry, asked by hende, 1 year ago

Q no 25 plz tell me ri8 option and solution of this question

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Answered by AccioNerd

1 mole of oxygen @STP, occupies a volume of 22.4 L.

1 mole = 32 g of oxygen

x mole = 10 g oxygen

x = 10/32 mole

1 mole => 22.4 L

10/32 mole => y L

y = 10/32 x 22.4 L

Volume occupied = 10/32 x 22.4 L (Option A)

Hope this helps! :)

AccioNerd: Coz for all the problems of this type...I have solved it in a similar way

hende: this is mcqs books but i have just one confusion dear that it has asked volume of oxygen atom but i havent solve such kind of problems in which volume of just atoms is required?

AccioNerd: Exactly

AccioNerd: I had the same doubt

hende: yes

AccioNerd: So...even if it meant atoms then also the answer wouldn't differ that much coz instead of 10/32 it would be 10/16

AccioNerd: And that option isn't given

AccioNerd: If they are saying that instead of oxygen gas it is the oxygen atoms and so we have to divide the 10 g by to get 5...it still doesn't make sense because we are given the mass and not the no. of mole

hende: yes u r ri8

AccioNerd: :)

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Q no 25 plz tell me ri8 option and solution of this question