Question

calculate number of water molecules in one cup of water having mass equal to 200g???​

Answer 1

Answer:

Avogadro's number is approximately 6.022 × 1023. Thus 18.01508 grams of water contain 6.022 × 1023 water molecules. A glass of water, or 200 grams of water, therefore contains 6.6855 × 1024 water molecules.

Answer 2

Answer:

22233246732.2364786567