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Asked by Priyanka Last Modified
Answer At STP (Standard Temperature and Pressure), one mole of any gas occupies a volume of 22.4 liters.
Given that we're dealing with oxygen gas (O2O2), and we know Avogadro's number is 6.022×10236.022×1023 entities per mole, let's find the correct option:
(a) 6.022×10236.022×1023 molecules of oxygen - Correct. Oxygen gas (O2O2) consists of oxygen molecules, and one mole of oxygen gas contains 6.022×10236.022×1023 oxygen molecules.
(b) 6.022×10236.022×1023 atoms of oxygen - Incorrect. Oxygen gas consists of molecules (O2O2), not individual atoms.
(c) 16 g16g of oxygen - Incorrect. This is the molar mass of oxygen, not the number of entities in one mole.
(d) 32 g32g of oxygen - Incorrect. This is the molar mass of O2O2, not the number of entities in one mole.
So, the correct answer is:
(a) 6.022×10236.022×1023 molecules of oxygen
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