General Conversion 2
1. Units and Conversion 1.5) General Conversion 1.5.1) General Conversion
1.5.1.1) General Conversion Normal 2
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if 10 mL of a solution contains 46.5 mg of a drug, then how much drug will be contained in 1 gallon of this solution?
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lb equals 17600.06 mg kg
- 1 fl. oz. = 29.57 mL
- 1 cup = 8 fl. oz.
- 1 pt. = 16 fl. oz.
- 1 qt. = 32 fl. oz.
- 1 gallon = 128 fl. oz.
In the first part, let's determine the mg quantity of drug present per mL of the solution. 46.5 mg of the drug is present in each 10 mL of the solution.
[10 mL]/[46.5 mg]=[1 mL]/[x]
So, x =4.65 mg
In the second part, we need to first determine the volume of 1 gallon the solution in mL unit. The students should remember the conversion table (provided at the end).
| 1 ml | = | 4.65 mg |
| 1 gallon | y |
Or,
| 1 ml | = | 4.65 mg |
| 128 × 29.57 ml | y |