1.

Calculate the molarity of water if its density is "1000 kg/m"^(3).

Answer»

Solution :Molarity of water means number of moles of water in 1 litre of water
`"1 L of water = 1000 cm"^(3)"= 1000 g"(because d = 1000"kg/m"^(3)="1 g/cm"^(3))`
`"1000 g "H_(2)O=(1000)/(18)"MLES = 55.56 moles"`
Hence, `"molarity = 55.56 M."`


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