Answer :
Final answer:
Yes, an apothecary grain and a troy grain are the same, both equating to approximately 64.798 milligrams. The difference between the two systems arises from how they group these grains into larger units.
Explanation:
The apothecary system and the troy system are both older systems of measures that were used in very specific situations, especially related to medicine and precious metals, respectively.
The unit 'grain' is common to both these systems and its value is indeed the same for both systems - approximately 64.798 milligrams.
So, an apothecary grain is the same as a troy grain. The confusion arises because of the different ways these grains are organized in the two systems. In the apothecary system, 20 grains make 1 scruple, 3 scruples make 1 dram and 8 drams make 1 ounce. In contrast, in the troy system, 24 grains make 1 pennyweight and 20 pennyweights make 1 troy ounce.
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Final answer:
In the Apothecary system, weights are measured in grains, scruples, drams, and ounces. Apothecary and troy grains are the same, equal to about 64.79891 milligrams. The additional information of Treflan and Paris Green are unrelated to the understanding of apothecary grains.
Explanation:
In the Apothecary system, commonly used by pharmacists and scientists, weights are typically measured in grains, scruples, drams, and ounces. Apothecary and troy weights were historically used for precious metals, gemstones, and pharmaceuticals.
Apothecary grains and troy grains are indeed the same. For reference, 1 troy or apothecary grain is approximately equal to 64.79891 milligrams. Troy and apothecary systems were widely replaced by the metric system. However, grains are still used in certain contexts within the pharmaceutical industry, for instance.
The extra information provided in the question is unrelated to the understanding of apothecary or troy grains. For instance, the molecular formula for Treflan and Paris Green represents herbicides and insecticides respectively, but they have no direct connection to the concept of grains in the apothecary system.
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