Convert 20 g of water into moles

Molar mass of Water =H₂O=2+16=18 g/mol 

So, 1 mole of water weighs = 18 g 

which implies, 18g of water = 1 mole 

Therefore, 20g of water =20/18=1.11 mole 

Final Answer: 20 g of water =1.11 mole.