Ionic Compounds
NaCl → Name this compound.
Sodium chloride
What does one mole of any substance represent?
6.022×1023 representative particles (atoms, molecules, or formula units).
What does an empirical formula show?
The simplest whole-number ratio of elements in a compound.
CO → Name this compound.
Carbon monoxide
HCl → Name this acid.
Hydrochloric Acid
CaBr₂ → Name this compound.
Calcium bromide
Which has more atoms: 1 mole of carbon or 1 mole of oxygen?
Neither — both have the same number of atoms (1 mole each).
What does a molecular formula show?
The actual number of each atom in a molecule.
CO₂ → Name this compound.
Carbon Dioxide
H₂SO₄ → Name this acid.
Sulfuric acid
Fe₂O₃ → Name this compound
Iron(III) oxide
What does molar mass tell you?
The mass of one mole of a substance in grams.
If a compound’s molecular formula is C₂H₆, what is its empirical formula?
CH₃
Write the formula for Dinitrogen tetroxide.
N₂O₄
HNO₂ → Name this acid.
Nitrous Acid
Write the formula for Potassium oxide.
K₂O
Find the molar mass of H2O
18.02g/mol
A compound is found to be 80.0% carbon and 20.0% hydrogen by mass.
Find the empirical formula.
CH3
PCl₅ → Name this compound.
Phosphorus pentachloride
How many atoms are in 2.50 mol of Zn?
2.50 mol×6.02×1023=1.51×1024 atoms
Al(NO₃)₃ → Name this compound.
Aluminum nitrate
Convert 10g of Hydrogen into moles
9.9moles
Write the formula for Carbon tetrachloride
CCl₄
How many grams are in 1.25 mol of CO₂? (CO₂ = 44.0 g/mol)
1.25×44.0=55.0 g