First slide
Numericals involving moles, volume and molecules in liquid water.

In which case is number of molecules of water maximum?


 (a) Mass of water =V×d=18×1=18 g

 Molecules of water =mole×NA=1818NA=NA

 (b) Molecules of water = mole ×NA=0.1818NA=10-2NA

 (c) Moles of water =0.0022422.4=10-4

 Molecules of water = mole ×NA=10-4 NA

 (d) Molecules of water = mole ×NA=10-3NA

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