Stoichiometry
9 practice questionsGeneral ChemistryStep-by-step solutions
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1
In a chemical reaction, the reactant that runs out first and limits product formation is the:
A.Excess reactant
B.Limiting reactant
C.Catalyst
D.Product
2
The molar mass of water (H₂O) is approximately:
A.18 g/mol
B.16 g/mol
C.2 g/mol
D.44 g/mol
3
What is the molar mass of carbon dioxide, CO₂ (C = 12, O = 16 g/mol)?
A.28 g/mol
B.44 g/mol
C.32 g/mol
D.16 g/mol
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