Problem: What mass of platinum could be plated on an electrode from the electrolysis of a Pt(NO3)2 solution with a current of 0.500 A for 55.0 s?a) 27.8 mgb) 45.5 mgc) 53.6 mgd) 91.0 mg

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We’re being asked to determine the mass of platinum electroplated from a Pt(NO3)2 solution

The electrolysis of the solution is done with a current of 0.500 A for 55.0 s.


The flow for this problem will be like this:


Duration of electrolysis (current applied)  Charge applied (Faraday’s constant)  Moles of electrons (mole-to-mole comparison)  Moles of metal (molar mass of Pt)  mass of metal


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Problem Details

What mass of platinum could be plated on an electrode from the electrolysis of a Pt(NO3)2 solution with a current of 0.500 A for 55.0 s?

a) 27.8 mg

b) 45.5 mg

c) 53.6 mg

d) 91.0 mg

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Based on our data, we think this problem is relevant for Professor Gulotta's class at New Jersey Institute of Technology.