Question

The number of moles of oxygen in one litre of air containing 21% oxygen by volume, under standard conditions are
(a) 0.0093 mole
(b) 0.21 mole
(c) 2.10 mole
(d) 0.186 mole

Answer 1

option a is answer for the question

Answer 2

Question :


The number of moles of oxygen in one litre of air containing 21% oxygen by volume, under standard conditions are
(a) 0.0093 mole
(b) 0.21 mole
(c) 2.10 mole
(d) 0.186 mole
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Correct Option : (d) 0.186 mole

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Explanation : The number of moles of oxygen in one litre of air containing 21% oxygen by volume, under standard conditions are 0.186 mole.