Ask Question
2 June, 13:45

A test tube containing CaCO₃ is heated until the entire compound decomposes. If the test tube plus calcium carbonate originally weighed 30.08 grams and the loss of mass during the experiment was 4.40 grams, what was the approximate mass of the empty test tube?

A. 20.08 g

B. 21.00 g

C. 24.50 g

D. 25.08 g

E. 25.68 g

Can anyone explain this one for me?

+1
Answers (1)
  1. 2 June, 14:15
    0
    Find the molar mass of CaCO3 then subtract the molar mass what it originally weighed and the loss of mass. Hopefully this works!
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A test tube containing CaCO₃ is heated until the entire compound decomposes. If the test tube plus calcium carbonate originally weighed ...” in 📘 Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers