Answer:
There are 1.295 or 1.29 moles
Step-by-step explanation:
1 mole = 6.022 × 10^23 molecules
So, number of moles present in 5.7 × 10^23 molecules of water = (5.7 × 10^23) / 6.022 × 10^23 = 0.946 moles
Hope, this helps.