How to calculate relative atomic mass of Hydrogen?
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
One twelfth mass of C-12 is nothing but 1/12 of its mass number (12) = 1.
And the mass of an atom of Hydrogen = 1.6736x10^-24 g.
Relative atomic mass would then ve equal to the mass of an atom of hydrogen itself since the denominator is 1. i.e. = 1.67X10^-24 g.
In terms of amu,
1 amu = 1.66x10^-24g,
the mass would be
1.6736x10^-24g/1.66x10^-24g = 1.0078 amu = 1.0080 amu.
Answer:
Find the relative mass of any atom by adding the number of protons to the number of neutrons. Hydrogen has a relative atomic mass of 1, and carbon-12 has a relative atomic mass of 12. Isotopes of the same element have different numbers of neutrons, so you need to calculate for one specific isotope.
Hydrogen/Atomic mass
1.00784 u