Finals 2 Flashcards
1
Q
The composition of a compound may be determined
through its
A
chemical formula.
2
Q
The combination of elements that
make a compound.
A
Chemical Formula
3
Q
It states that atoms
combine in definite
proportion by mass.
A
law of
definite composition.
4
Q
• This refers to the ratio of the mass of an element and the
mass of the compound, multiplied by 100.
A
Percent Composition
5
Q
: atomic mass
in periodic table
A
Molar mass of
element
6
Q
multiply
the molar mass of each
element to its subscript
in the formula then add
A
Molar mass of
compound:
7
Q
In an experimental data,
A
the amount of each
element is often given in moles as fractions.
8
Q
of an unknown compound can
be experimentally determined using a mass
spectrometer.
A
Molecular mass (MW)
