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This question is about the rate of reaction between calcium carbonate and dilute hydrochloric acid - Edexcel - GCSE Chemistry - Question 6 - 2021 - Paper 1
Question 6
This question is about the rate of reaction between calcium carbonate and dilute hydrochloric acid. The word equation for this reaction is calcium carbonate + hydr... show full transcript
Worked Solution & Example Answer:This question is about the rate of reaction between calcium carbonate and dilute hydrochloric acid - Edexcel - GCSE Chemistry - Question 6 - 2021 - Paper 1
Step 1
Step 2
Complete the diagram in Figure 7 to show the apparatus to collect the gas produced and measure its volume.
Answer
To complete the diagram:
- Use a delivery tube with a bung connected to the conical flask.
- Position the delivery tube leading into a water trough below an inverted measuring cylinder to capture the gas.
- Label the measuring cylinder clearly to indicate that it is for measuring gas volume.
Step 3
State what could be used to keep the temperature of the conical flask and its contents at a temperature of 45°C throughout the reaction.
Answer
To maintain the temperature of the conical flask at 45°C, a water bath should be utilized. A Bunsen burner should be avoided, as it may create a temperature that exceeds the desired level.