Percent Composition
What is the EF from the MF of
P4O6
P2O3
A compound composed of: 72% iron and 27.6% oxygen by mass.
Fe3O4
Write the molecular formulas of the following compounds:
A compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole
C4O2H8
What is the EF from the MF?
CH2OHCH2OH
CH3O
A compound composed of: 9.93% carbon, 58.6% chlorine, and 31.4% fluorine.
CCl2F2
Write the molecular formulas of the following compounds:
A compound with an empirical formula of C4H4O and a molar mass of 136 grams per mole.
C8H8O2
What is the Molar Mass of H3PO4
98 Grams
What is the EF from the MF?
C6H9
C2H3
A compound composed of: .556g carbon and .0933g hydrogen.
CH2
Write the molecular formulas of the following compounds:
A compound with an empirical formula of CFBrO and a molar mass of 254.7 grams per mole.
C2F2Br2O2
What is the EF from the MF?
C10H22
C5H11
A compound with a molecular mass of 70g/mol and an empirical formula of CH2.
C5H10
Write the molecular formulas of the following compounds:
A compound with an empirical formula of C2H8N and a molar mass of 46 grams per mole.
C2H8N
Define Percent Composition
Mass of the Element / Mass of the Compound
The Multiple by 100
What is the EF from the MF?
Hg2F2
HgF
A compound with a molecular mass of 46.0g/mol and an empirical formula of NO2
NO2
What is the Molecular Formula?
The Molecular Formula is the true formula based off the Molar Mass of the Compound