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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is stoichiometry?
💡 Hint: It deals with amounts and ratios.
Question 2
Easy
In the balanced equation 2H₂ + O₂ → 2H₂O, how many moles of H₂ are needed for 1 mole of O₂?
💡 Hint: Look at the coefficients in the equation.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the first step in stoichiometric calculations?
- Find molar ratios
- Write a balanced equation
- Convert mass to moles
💡 Hint: Think about what step sets the foundation for everything that follows.
Question 2
True or False? Molar mass can vary based on the type of substance.
- True
- False
💡 Hint: Remember, each element has its own atomic mass.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have 80 grams of sodium reacting with chlorine gas. What is the maximum mass of sodium chloride (NaCl) produced?
💡 Hint: Consider the molar ratio between Na and NaCl.
Question 2
In the decomposition of ammonium nitrate (NH₄NO₃ → N₂ + 2H₂O), how many grams of water can be produced from 100 grams of ammonium nitrate?
💡 Hint: Balance the equation and remember the mole ratio!
Challenge and get performance evaluation