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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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polishprodigy93 polishprodigy93
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4 years ago
To save on production costs, most automobile bumpers are never coated with more than 150 g of chromium. Determine how much time a standard bumper should be immersed in a chromium vat. Give your answer to the nearest whole second.

Recall that the power supply used in commercial electroplating provides each vat with approximately 1.50 x 103 A of current.
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#1
Educator
4 years ago
Remember, 1 ampere is the same as 1 C / S.

We have 1.50 x 103 A which the same as 1.50 x 103 C / S

Chromium ions have a charge of 3+

Cr3+ + 3e- > Ce



Try our tutorial to get a sense of what to do. I have an inkling, but I'm not 100% sure. If you can't figure it out, message me back, I'll ask my spouse who's a chemical engineer
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duddyduddy
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4 years ago
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#3
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4 years ago
Thanks man, saved me time, but how did you know that was the chemical equation? seems like you pulled that out of the air, no offense 😆
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