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Chemistry, 09.07.2019 16:30 xmanavongrove55
Precious metals and gems are measured in troy weights in the english system: 24 grains = 1 pennyweight (exact) 20 pennyweight = 1 troy ounce (exact) 12 troy ounces = 1 troy pound (exact) 1 grain = 0.0648 g 1 carat = 0.200 g a. the most common english unit of math is the pound avoirdupois. what is 1 troy pound in kilograms and in pounds? b. what is the mass of a troy ounce of gold in gram and in carats? c. the density of gold is 19.3 g/cm 3 . what is the volume of a troy pound of gold?
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