How Many Cubic Centimeters of an Ore Containing Only 0

question 116

Multiple Choice

How many cubic centimeters of an ore containing only 0.22% gold (by mass) must be processed to obtain $100 worth of gold? The density of the ore is 8.0 g/cm³ and the price of gold is $818 per troy ounce.(14.6 troy oz = 1.0 ordinary pound, called an avoirdupois pound; 1 lb = 454 g)

• A)0.48 cm³
• B)220 cm³
• C)1.4 * 10³ cm³
• D)1.7 * 10³ cm³
• E)1.8 * 10⁴ cm³

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