Determine volume from ratio strength and drug quantity

3. Percent, Ratio, mg/mL, PPM, PPB 3.2) Ratio 3.2.1) Ratio - General

3.2.1.1) Ratio - General Normal 1


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Determine the volume of a solution which will contain 0.948 g of drug, if its strength is expressed as 1 : 580.


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lb equals 550 mL kg

    1 : 580 means, 1 g of drug is present in each 580 mL of the solution.

    To determine the volume of the solution which contains 0.948 gram of drug, we can write
    `(1 \quad g)/(580 \quad mL)=(0.948 \quad g)/x therefore x = 550 ` mL.

    Answer.