Question

laboratory method of preparation of CO2 involves the addition of dilute HCl to calcium carbonate. what happens if dilute sulphuric acid is used instead of dilute HCL​

Answer 1

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ANSWER ⏬

⏺️ Materials required: calcium carbonate (marble chips)

5M hydrochloric acid

⏺️Carbon Dioxide Gas Preparation

Add 5M hydrochloric acid to 5g-10g marble chips. Carbon dioxide gas is released by the chemical reaction.

Collect the carbon dioxide from the upward displacement of air in a hood. Carbon dioxide is about 60% denser than air, so it will fill the reaction container.

Chemical Reaction

2HCl + CaCO3 → CO2 + CaCl2 + H2O

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