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Chemistry Homework Help => AP Chemistry => Topic started by: prasamb@yahoo.com on April 22, 2023, 10:33:01 PM

Title: Electrochemistry
Post by: prasamb@yahoo.com on April 22, 2023, 10:33:01 PM
12.   How long will it take to plate out 2.5 g of Ca from the electrolysis of molten CaCl2 using a current of 15 A?
==> 802 secs..is that rt?
Title: Re: Electrochemistry
Post by: chenbeier on April 23, 2023, 02:51:13 AM
It is correct.
Title: Re: Electrochemistry
Post by: uma on April 23, 2023, 07:46:10 AM
Grams of Ca  ---> moles of Ca ----> Moles of electrons ---> Charge ---> time
Answer is correct.