Experiments to measure the rate of reaction
2 marks · EasyA reaction produces 80 cm³ of carbon dioxide in 4 minutes. Calculate the average rate of reaction in cm³/min.
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20 cm^3/min (±0)
Must show: unit: cm^3/min
Common mistakes: Incorrect time division; No units
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Marking points
M1 · 1 mark · Correctly uses rate formula: divides volume by time.
A1 · 1 mark · Gives correct answer 20 cm³/min.
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