434,315 views
43 votes
43 votes
Plss help me in this question

Plss help me in this question-example-1
User Scott Swezey
by
2.8k points

1 Answer

14 votes
14 votes

Answer:


image

Step-by-step explanation:

Hello there!

In this case, since we are talking about a decomposition reaction whereby calcium carbonate is decomposed to calcium oxide and carbon dioxide according to the following chemical equation:


image

Next, we must recall the law of conservation of mass which states that matter cannot be neither created nor destroyed so the mass of calcium carbonate equal the addition of the mass of both calcium oxide and carbon dioxide:


image

Which must be solved for the mass of carbon dioxide as we are given those of calcium carbonate and calcium oxide:


image

Best regards!

User Nik Shenoy
by
3.1k points