Constant 썸네일형 리스트형 How to calculate water molecule in water This is very simple calcuation. We have 200 ml of water. How many molecule are here? Assumption Water has 1 g/cm2 of density Avogadro constant = 6.022*10^23 Molecule of water = 18 Answer) 200 ml = 200 g 200 / 18 = 11.11 mol 11.11 * 6.022*10^23 = 67 * 10^23 Easy!! 더보기 이전 1 다음