Q8 of 203 Page 172

How many moles are 3.6 g of water?

Given Mass of water(H2O) = 3.6g

Molar mass of water(H2O) = 18g


As we know that, Number of moles = mass of an element/molar mass of an element


Hence, Number of moles = 3.6g / 18g = 0.2 mole.


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