lecture 12 Flashcards
1
Q
mass %
A
one way of expressing chemical compositions (in terms of masses) of a compound
2
Q
empirical formula
A
the simplest whole number ration of moles of each element in the compound
3
Q
formula units
A
empirical formulas for ionic compounds
4
Q
mass spectrometry
A
a way to determine accurate molecular mass and thus molar mass of an unknown chemical