An oral solution has a dosage of 500 mg in 5 mL. If a 0.7 g dosage is required, how many mL must be given?

Question

An oral solution has a dosage of 500 mg in 5 mL. If a 0.7 g dosage is required, how many mL must be given?

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Thu Nguyệt 5 years 2021-07-17T15:06:39+00:00 1 Answers 10 views 0

Answers ( )

  1. ThanhThu
    0
    2021-07-17T15:08:06+00:00
    Reply

    Answer:

    7 mL

    Explanation:

    Given that:

    mass of an oral solution = 500 mg

    solution in mL = 5mL

    Thus, the ratio = 5 mL/500 mg

    = 0.01 mL/mg

    since 1000 mg = 1g

    ∴

    = 0.01 mL/mg × 1000 mg/1g

    = 10 mL/g

    Now, suppose the amount of 0.7 g dosage is required:

    ∴

    the needed amount of mL will be:

    = 10 mL/g × 0.7 g

    = 7 mL

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