Modern electroplaters can cover a surface area of 75.0 m2 with one troy ounce of gold (volume = 1.611 cm3). What is the thickness of the electroplated gold?
A. 2.15E-8 m
B. 1.07E-8 m
C. 1.43E-8 m
D. 4.30E-8 m
The answer is :
A. 2.15E-8 m
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