1.

The number of water molecules is maximum in

Answer»

18 gram of water
18 MOLES of water
18 MOLECULES of water
1.8 gram of water

Solution :`"18 G of water "=(18)/(18)" mole = 1 mole "=6.022xx10^(23)" molecules"`
`"18 moles of water"=18xx6.022xx10^(23)" molecules"`
`"1.8 g of water "=(1.8)/(18)" mole = 0.1 mole"`
`=0.1xx6.022xx10^(23)=6.022xx10^(22)" molecules"`
Thus, 18 molecules of `H_(2)O` contain maximum NUMBER of molecules.


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