2.2 Relative Mass Flashcards
1
Q
What is the definition of Relative Isotopic Mass ?
A
Mass of an atom of an element compared with 1/12th the mass of an atom of carbon 12
2
Q
What is the definition of Relative Atomic Mass ?
A
The weighted mean mass of an atom of an element compared to 1/12th the mass of an atom of carbon-12
3
Q
What does a Mass spectrometer tell you ?
A
Relative Isotopic Mass and Percentage Abundance
4
Q
What is m/z ?
A
Mass to charge Ratio
5
Q
How do you calculate Relative Atomic Mass ?
A
(Relative Isotopic Mass x Percentage Abundance) + repeat for how many isotopes there are in element
Divide it all by 100
