Modern Electroplaters Can Cover a Surface Area of 55

question 72

Multiple Choice

Modern electroplaters can cover a surface area of 55.0 m² with one troy ounce of gold (volume = 1.611 cm³) . What is the thickness of the electroplated gold?

• A) 3.64*10^-7 m
• B) 1.46 *10^-9 m
• C) 1.83 *10^-6 m
• D) 2.93 *10^-8 m

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