18 янв. 2017 г. · Water - H2O - consists of 2 Hydrogen atoms and 1 Oxygen atom, so its molecular mass is (2 x 1) + 16, which equals 18 grams. What is the mass of hydrogen? What is the molecular mass of hydrogen? What is the mass of 1 atom of hydrogen in kg? Другие результаты с сайта www.quora.com

1500, 0.01616, 16.02 ; 1600, 0.0152, 16.28 ; 1700, 0.0143, 16.58 ; 1800, 0.0135, 16.96 ...

Atomic mass = No. of protons + No. of neutrons. So, atomic mass of hydrogen (H) = 1 + 0 = 1 u. Molecular formula of hydrogen is (H2) so molecular mass will be 2 ...

The mass of hydrogen molecule is 2.016 amu. Therefore the number of hydrogen molecules in 4.032gm of hydrogen will be: 6.023×1021; 2×6.023×1023; 4×6.023×1023; 2 ...