MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryMole _ Equivalent ConceptPrevious Year Questions
In which case is number of molecules of water maximum? (NEET 2018)
A.18 mL of water✓ Correct
B.0.18 g of water
C.0.00224 L of water vapours at 1 atm and 273 K
D.10–3 mol of water
Explanation
(a) Mass of water = V d 18 1 18g x x Molecules of water = mole A A A 18 N N N 18 x (b) Molecules of water = mole A N x A A 0.18 N 0.01 N 18 (c) Moles of water = 4 0.00224 10 22.4 Molecules of water = mole 4 A A N 10 N x (d) Molecules of water = mole 3 A A N 10 N x
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