Question

Molten (liquid) potassium chloride can be electrolysed.
A student investigates the mass of potassium made when molten potassium chloride is electrolysed.
She uses a current of 10.3 amps throughout her experiment.
She does the electrolysis for different lengths of time.
Look at the graph of her results.
i. What is the total mass of potassium made in 40 minutes?
ii.The molten potassium chloride was electrolyzed for 300 minutes. Predict the mass of potassium produced.

Answer 1

Answer:

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