A current of 120 ma was used for 200 minutes and then 150, Chemistry

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A current of 120 ma was used for 200 minutes and then 150

Problem- During an electrolysis experiment, the copper wire at the anode decreased in mass from 2.145g to 2.018g. A current of 120 mA was used for 20.0 minutes and then 150 mA for 18 minutes. Using this data, what mass should be assigned for the molar mass of copper assuming 100% efficiency?

The molar mass that I find is half of the actual answer. Help me to find correct answer please

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Chemistry: A current of 120 ma was used for 200 minutes and then 150

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Chemistry: A current of 120 ma was used for 200 minutes and then 150

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