Molar mass (M)
M(CO2) =
44.01 g/mol
How many moles are in 18.016 grams of water (H2O)?
1 mol
What is the mass of 2 moles of water (H₂O)?
36.032 g
If 2 moles of a substance weigh 36 g, what is its molar mass?
18 g/mol
Write the ionic formula for Calcium carbonate.
CaCO3
M(Cl2) =
70.90 g/mol
How many moles are in 66.015 grams of carbon dioxide (CO₂)?
1.5 mol
What is the mass of 0.5 moles of methane (CH₄)?
8.021 g
If 0.5 moles of a substance weigh 22 g, what is its molar mass? Which element would it likely be?
44 g/mol
Scandium
What is the ionic charge of Aluminium?
3+
M(KOH) =
56.108 g/mol
How many moles are in 16 grams of oxygen gas (O₂)?
0.5 mol
What is the mass of 1.5 moles of sulfuric acid (H₂SO₄)?
147.114 g
If 3 moles of a substance weigh 96 g, what is its molar mass? What element would it likely be?
32 g/mol
Sulphur
Write the ionic formula for Lead (IV) phosphate.
Pb3(PO4)4
M(H2SO4) =
98.09 g/mol
How many moles are in 196 grams of sulfuric acid (H₂SO₄)?
2 mol
What is the mass of 4.3 moles of Sodium nitrate? (NaNO3)?
371.176 g
If 0.25 moles of a substance weigh 24.5 g, what is its molar mass? What element would it likely be?
98 g/mol
Technetium
What is the ionic charge of Copper (I)?
1+
M(Sodium nitrate)=
85 g/mol
How many moles are in 29.25 grams of sodium chloride?
0.5 mol
What is the mass of 5 mol of Sodium hydroxide?
206.59 g
If 1.5 moles of a substance weigh 147 g, what is its molar mass?
98 g/mol
Which metalloid on the periodic table has the highest atomic number?
Astatine