Percent, Ratio, mg per mL mixed

3. Percent, Ratio, mg/mL, PPM, PPB 3.1) Percent 3.1.2) Percent, Ratio etc Mixed Percent, Ratio etc Mixed Normal 1

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The strength of a medication is expressed as 1 : 210. Determine the quantity of drug in 400 mL of this product.

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lb equals 1.905 g kg

    1 : 210 means, 1 g of drug is present in each 210 mL of the solution.

    To determine the gram amount of drug present in 400 mL of the solution we can write:
    `(1 \quad g)/(210 \quad mL)=x/(400 \quad mL) therefore x = 1.905 ` g.