How many moles of water are there in one liter?

The correct answer is: 10 moles.<br /><br />Explanation: One liter of water is equivalent to 1000 grams. The molar mass of water (H2O) is approximately 18 grams per mole. Therefore, 1000 grams of water is equivalent to 1000/18 = approximately 55.56 moles.