Calculate the mass fraction of hydrogen and oxygen in water.
| December 8, 2020 | education
To do this, we calculate the molecular weight of the water molecule – 2 * 1 + 16 = 18, then multiply the atomic mass of oxygen -16 by the number of its atoms -1 = 16, and divide by the molecular weight. 16/18 = 0.8889 or 88.89% … Accordingly hydrogen 100% -88.89% = 11.11%
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
