Question

What are the number of molecules in 1 liter water

Answer 1

Answer:

1/18×1000×6×1^23

Explanation:

one mole of water has a mass of 18 grams and a volume of 18 ml (as the density of water is 1 g per cm3). It contains avogadro's number of molecules (6×1^23) . Thus 1 litre of water contains 1/18×1000×6×1^23.