Important Vocab
The scientist for whom the mole is named after
Who is Avogadro
What is 71.844 g/mol
How many moles are equal to 145 g of zinc nitrate, Zn(NO3)2?
0.766 mol Zn(NO3)2
How many moles are equal to 4.15 x 1023 molecules of carbon monoxide?
0.689 mol CO
What is the volume of 8.7 x 1023 molecules of chlorine gas (Cl2)
What is 32 L
Unit for mass
What is grams
The Molar Mass of MgSO4
What is 120.367 g/mol
Number of liters of any gas in one mole
What is 22.4 L
What is the empirical formula of a compound that is 27.3% C and 72.7%O
CO2
Number of molecules in 23 moles of oxygen gas
What is 1.4 x 1025 molecules
Number of molecules in 1.62 grams of calcium chloride
What is 8.79 x 1021 molecules
This is what we use to convert between mass to mole.
What is molar mass
Determine the molecular formula of a compound with an empirical formula of NH2 and a formula mass of 32.06 g/mol.
N2H4
Number of moles in 68 grams of Cu(OH)2
What is 0.70 moles
Number of liters in 0.96 moles of sulfur trioxide
What is 22 L Sulfur Trioxide
Number of grams of 4.3x1021 molecules of UF6
What is 2.5 grams
What is the percent composition of Mg in Mg(MnO4)2
What is 9.2706%
The molar mass of a compound is 92g/mol. Analysis of a sample of the compound indicates that it contains 0.606g N and 1.390g O. Find its molecular formula.
N2O4
Number of moles in 1.2 x 103 of NH3
What is 70. moles
Number of moles in 89.6 L of neon
What is 4.00 mol Ne
Mass of one atom of nickel
What is 9.75 x 10-21 grams