Use the chemical reaction to answer the question.

CaCO3→CO2+CaOCaCO3→CO2+CaO
A scientist heats 30 grams of calcium carbonate (CaCO3CaCO3) in the chemical reaction shown. What is the total mass of the products?
• 60 grams
• 10 grams
• 30 grams
• 15 grams

30 grams