Molar Masses
What is the molar mass of Carbon?
12.011 g/mol OR 12 g/mol
HC3H3O3 → C2H4O + CO2
If 2.5 moles of CO2 are produced, how many moles of HC3H3O3 were reacted?
2.5 moles HC3H3O3
How many moles are in 63.7 g of SO₂?
0.994 mol SO₂
What is the molar mass of O2?
31.998 g/mol OR 32 g/mol
2C2H3Cl + 5O2 → 4CO2 + 2H2O + 2HCl
If 4 moles of H2O are produced, how many moles of O2 were reacted?
10 moles O2
How many grams are in 1.37 moles of MgCl₂?
130 g MgCl₂
What is the molar mass of CH4?
16.043 g/mol OR 16 g/mol
Al2(SO4)3 + 3Ca(OH)2 → 2Al(OH)3 + 3CaSO4
If 3 moles of Al(OH)3 are produced, how many moles of Al2(SO4)3 were reacted?
1.5 moles Al2(SO4)3
Sig figs: 2 moles
How many moles are in 82.4 g of C₂H₆O?
1.79 mol C₂H₆O
What is the molar mass of C6H12O6?
180.156 g/mol OR 180 g/mol
2NaCl → 2Na + Cl2
If 4 moles of Na are produced, how many moles of Cl2 will also be produced?
2 moles Cl2
How many grams are in 0.864 moles of N₂O₅?
93.4 g N₂O₅
What is the molar mass of Cr4(P2O7)3?
729.807 g/mol OR 730 g/mol
2HF + Sr(OH)2 → SrF2 + 2H2O
If 3 moles of SrF2 are produced, how many moles of HF were reacted?
6 moles HF
How many moles are in 118 g of CuO?
1.48 mol CuO