Calculate the number of nucleons (neutrons + protons) present in 300ml of N2 at 27°C and 2 atm.
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Mass number (m) = number of proton + neutrons = number of nucleons.
The mass number (atomic weight) also called atomic mass number or nucleon number is the total number of protons and neutrons (together known as nucleons) is an atomic nucleus. It determines the atomic mass of atoms.
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