Chemistry - Mole Concept Question with Solution | TestHub

ChemistryMole ConceptMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice

At 100oC and 1 atm. if the density of liquid water is1.0 gcm-3and that of water vapour is0.0006 gcm-3, then the volume occupied by water molecules in 1 litre of steam at that temperature

Options:

Answer:
C
Solution:

1L=1000 mL=1000 cm3

mass=density×volume

=(0.0006 g cm-3)×(1000 cm3)=0.6g

As 18 g of water=18 cm3

So 0.6 g of water=0.6 cm3

Hence actual volume occupied by molecules=0.6 cm3

Stream:NTA_ABHYASSubject:ChemistryTopic:Mole ConceptSubtopic:Miscellaneous/Mixed
2mℹ️ Source: PYQ_2020

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