A comprehensive guide to chemical calculations and molar quantities in chemistry, focusing on practical examples and problem-solving techniques for 9th-grade students.
• The material covers fundamental concepts of stoffmenge (amount of substance) and its calculations
• Introduces the mole concept and its relationship with atomic mass and number of particles
• Includes practical exercises involving chemisches rechnen (chemical calculations)
• Features worked examples of stoffmenge berechnen (calculating amount of substance)
• Demonstrates how to calculate teilchenzahl (number of particles) from mass and molar quantities