Molar Mass
What is the molar mass of carbon dioxide (CO2)?
44.01 g/mol
What is Avogadro's number?
6.02 x 1023
How many molecules of silicon dioxide are there in 2.43 moles of silicon dioxide (SiO2)?
1.46 x 1024 molecules of SiO2
2 Al (s) + 3 Cl2 (g) → 2 AlCl3 (s)
How many moles of AlCl₃ will be produced from 9.00 moles of Cl₂ reacting with aluminum?
6 moles of AlCl₃
What is the molar mass of ammonia (NH3)?
17.04 g/mol
What is the unit for molar mass?
g/mol
How many moles of nitrogen dioxide are found in 4.6 x 1024 molecules of nitrogen dioxide (NO2)?
7.64 moles of NO2
N2 (g) + 3 H2 (g) → 2 NH3 (g)
How many moles of NH₃ will be produced from 8.40 moles of H₂ reacting with nitrogen gas?
5.6 moles of NH₃
What is the molar mass of sulfuric acid (H2SO4)?
98.09 g/mol
If you have 1 mole of atoms of any element how many atoms do you have?
6.02 x 1023 atoms
How many moles of methane are found in 8.94 x1026 molecules of methane (CH4)?
1485.05 moles of CH4
N2 (g) + 3 H2 (g) → 2 NH3 (g)
How many molecules of ammonia (NH₃) will be produced when 18.0 moles of H₂ reacts with excess nitrogen gas?
7.22 x 1024 molecules of NH₃
What is the molar mass of vinegar (C2H4O2)?
60.06 g/mol
What is the law that supports the claim that the total mass of the reactants equals the total mass of the products.
How many nitrogen dioxide molecules are there in 24.7 g of NO2?
3.23 x 1023 molecules of NO2
N2 (g )+ 3 H2 (g )→ 2 NH3 (g)
What mass in grams of ammonia (NH₃) will be produced when 7.50 moles of H₂ react with excess nitrogen gas?
85.20 g NH₃
What is the molar mass of citric acid (C6H8O7)?
192.14 g/mol
_Fe + _O2 ---> _Fe2O3
Find the mole ratio of Iron (Fe) to Oxygen (O2)
4 moles of Fe: 3 moles of O2
How many grams are in 3.60 x 1023 molecules of Cu2O?
85.57 g of Cu2O
2 NaN3 (s) → 2 Na (s) + 3 N2 (g)
You need to produce 5.60 g of sodium (Na). How many grams of sodium azide (NaN₃) must decompose?
15.84 g of NaN₃