Home › ICSE Class 10 › chemistry › Mole Concept and Stoichiometry › Volume of 2 moles of O2 at STP is:
Volume of 2 moles of O2 at STP is:
A22.4 litres
B11.2 litres
C44.8 litres
D4.48 litres
Answer & Solution
Correct answer: A. 22.4 litres
1. Molar volume at STP is 22.4 litres per mole.
2. Volume = moles * molar volume.
3. = 2 * 22.4 = 44.8 litres.
4. So 2 moles of O2 occupy 44.8 litres at STP.
_Source: Selina Concise Chemistry ICSE Class 10, Ch 5 'Mole Concept and Stoichiometry'_
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