Volume from drops number

10. Dose - general concepts 10.2) Gtt calculation 10.2.1) Gtt Calculation Gtt Calculation Normal 1

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What volume will 55 drops occupy if each drop contains 4.286 mg of the drug, and 90 mg is contained in each mL of the solution?

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lb equals 2.619 mL kg

    Using dimensional analysis:
    `(4.286\quad mg)/(1\quad g t t)×(1\quad mL)/(90 \quad mg)×55\quad g t t = 2.619\quad mL` Ans.