3. Chemical Foundations
Stoichiometry — Quiz
Test your understanding of stoichiometry with 5 practice questions.
Practice Questions
Question 1
In the reaction 2Al + 3CuSO4 → Al2(SO4)3 + 3Cu, if 5.40 g of Al reacts completely, what mass of Cu is produced?
Question 2
A 0.500 g sample of a hydrocarbon yields 1.467 g CO2 and 0.600 g H2O upon complete combustion. What is its empirical formula?
Question 3
An empirical formula CH2 corresponds to a compound with molar mass 56.0 g/mol. What is its molecular formula?
Question 4
What volume does 5.00 g of NH3 gas occupy at 25 °C and 2.00 atm?
Question 5
What is the concentration when 50.0 mL of 0.100 M KBr is diluted to 200.0 mL?