A Metal Object Is to Be Gold-Plated by an Electrolytic

question 40

Multiple Choice

A metal object is to be gold-plated by an electrolytic procedure using aqueous AuCl₃ electrolyte. Calculate the number of moles of gold deposited in 3.0 min by a constant current of 10.A.

• A) 6.2 * 10^-3 mol
• B) 9.3 * 10^-3 mol
• C) 1.8 * 10^-2 mol
• D) 3.5 * 10^-5 mol
• E) 160 mol

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Definitions:

Just-in-time (JIT)

An inventory management strategy that arranges the receipt of resources and materials right at the moment they are needed, reducing storage costs.

Cross-docking

A logistics practice where incoming shipments are unloaded directly from supplier or manufacturing transport onto outbound trucks, trailers, or rail cars with minimal or no storage in between, reducing inventory holding times and costs.

Inventory Investment

The purchase of goods and materials that a company holds in anticipation of future sales, representing a significant part of its assets.

Radio Frequency Identification

A technology that uses electromagnetic fields to automatically identify and track tags attached to objects, containing electronically stored information.