IB CHEMISTRY

1.4 Exam Practice

Test your knowledge on Stoichiometry

Student Practice Set

1.
How many mols of O2 are needed to react with 2 mols of H2 to form H2O?
2.
What is the percentage by mass of H in H2O? (H=1.01, O=16.00)
3.
Which solution has the highest concentration?