Pharmaceutical calculations UE Past Papers Questions.

A formula calls for 0.6 milliliter of a coloring solution. Using a 10-milliliter graduate calibrated from 2 to 10 milliliters in 1-milliliter units, how could you obtain the desired quantity of the coloring solution by the aliquot method? Use water as the diluent.

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UNSOLVED

Using a 10-milliliter graduate calibrated in 1-milliliter units, explain how you
would measure 1.25 milliliters of a dye solution by the aliquot method. Use water
as the diluent.

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The formula for 100 milliliters of pentobarbital sodium elixir calls for 0.75 milliliter of orange oil. Using alcohol as a diluent and a 10-milliliter graduate calibrated in 1-milliliter units, how could you obtain the desired quantity of  orange oil?

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If 30 g of a 1% hydrocortisone ointment were diluted with 12 g of Vaseline, what would be the concentration of hydrocortisone in the mixture?

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How many grams of 20% benzocaine ointment and how many grams of ointment base (diluent) should be used in preparing 5 lb. of 2.5% benzocaine ointment?

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UNSOLVED