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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does one mole represent?
💡 Hint: Think of Avogadro's number.
Question 2
Easy
What is the molar mass of carbon?
💡 Hint: Check the periodic table.
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 Avogadro's number?
- 6.022×10^22
- 6.022×10^23
- 6.022×10^24
💡 Hint: Remember, it's a big number for counting tiny particles.
Question 2
True or False: The molar mass of water is 18.01 g/mol.
- True
- False
💡 Hint: Check the calculation: 2x1 + 16.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If 10.0 grams of hydrogen reacts with oxygen to form water, how many grams of water are produced?
💡 Hint: Make sure to calculate the molar mass of hydrogen and water.
Question 2
Calculate how many moles of sodium chloride (NaCl) are produced when 1.5 moles of sodium reacts with chlorine gas.
💡 Hint: Understand the mole ratio from the balanced equation.
Challenge and get performance evaluation