How many tablets, each containing 8.75 grains of mercuric chloride will be required to make one quart of 0.05% solution?

How many tablets, each containing 8.75 grains of mercuric chloride will be required to make one quart of 0.05% solution?
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1 Answer

Answer :

4.375 gr. in 1 fl ounce = 1% w/v solution

4.375 gr X 0.05 = 0.2187 gr required to get 1 fl.oz 0.05%

0.2187 gr x 40 = 8.748 gr≈ 8.75 grain required to get 40 fl.oz 0.05 %

8.75 gr/8.75 gr = 1 tablets

Therefore, one tablet is required to prepare one quart of 0.05% solution.
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