Question

uses of hydrogen and atomic mass of hydrogen​

Answer 1

Answer:

Hydrogen is a element

Explanation:

Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass.

Answer 2

atomic mass = 1 amu

use :

1. commercial fixation of nitrogen from the air in the Haber ammonia process.

2. hydrogenation of fats and oils.

3. methanol production, in hydrodealkylation, hydrocracking, and hydrodesulphurization.

4. rocket fuel.

5. welding.

6. production of hydrochloric acid.

7. reduction of metallic ores.