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10 June, 22:47

How much diluent do you need to add to a 2 gm vial of Rocephin to get a concentration of 250 mg/ml? Disregard the space the powder may occupy.

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  1. 11 June, 01:54
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    The volume of diluent = 8_ml

    Explanation:

    Required concentration = 250mg/ml

    Quantity of solute = 2_g

    Concentration of Solution = (Mass of solute) : (volume of solvent)

    Therefore, volume of solvent = (Mass of solute) : (Concentration of Solution)

    = 2_g / (250_mg/ml) = 2_g / (0.250_g/ml) = 8_ml

    Therefore the volume of diluent = 8_ml
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