mole concept Flashcards
1
Q
what is relative molecular mass?
A
the ratio of the average mass of one molecule of the substance to 1/12 the mass of an atom of the 12C isotope, expressed on the 12C scale
2
Q
what is relative atomic mass?
A
the ratio of the average mass of one atom of the element to 1/12 the mass of an atom of 12C isotope, expressed on the 12C scale
3
Q
what is relative formula mass?
A
the ratio of the average mass of one formula unit of the compound to 1/12 the mass of an atom of the 12C isotope, expressed on the 12C scale
4
Q
what is relative isotopic mass?
A
the ratio of the average mass of one atom of the isotope to 1/12 the mass of an atom of 12C isotope, expressed on the 12C scale