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3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations

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Question 41

A carbon dioxide filter contains solid calcium oxide. Air is passed through the filter and the reaction shown occurs.

CaO(s)+CO2(g)→CaCO3(s)\text{CaO(s)} + \text{CO}_2\text{(g)} \rightarrow \text{CaCO}_3\text{(s)}CaO(s)+CO2​(g)→CaCO3​(s)

After use, the dry filter has a greater mass than before.

Explain the increase in mass of the filter.

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3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations Questions

  1. GCSE
  2. /Chemistry
  3. /3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations

95 exam-style questions on AQA GCSE Chemistry 3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations, covering 3.1.1 Conservation of mass and balanced chemical equations, 3.1.2 Relative formula mass, 3.1.3 Mass changes when a reactant or product is a gas, and 3.1.4 Chemical measurements. Each one has a worked solution and a mark scheme showing where the marks go.

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