A Level Mole Concept

Question 1

Relative Atomic mass meaning

Answer 1

Relative Atomic mass of an element is the weighted average mass of the isotopes of that elementcompared to 1/12 the mass of an atom of 12C

Question 2

Relative Molecular mass

Answer 2

relative Molecular mass of an element or compound is the ** weighted average mass of the element/compound_** relative to 1/12 the mass of a 12C atom

Question 3

Relative Isotopic mass

Answer 3

Relative Isotopic mass of an isotope is the mass of an atom of the isotope compared to 1/12 the mass of a C12 atom

Question 4

Relative Formula mass

Answer 4

Formula mass of a compound is the weighted average mass of a formula unit of the compound relative to 1/12 the mass of a 12C atom

Question 5

Empirical formula