let volume of water = 1000ml
The mass of water = volume * density
= 1000*1 = 1000g
no of moles of H2O = mass of water/gram molar mass of water
= 1000/18 = 55.55moles
The concentration of water = no of moles/volume in L
= 55.55mole/1L
= 55.55M >>>>answer
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