PPM related problem - Random question
3. Percent, Ratio, mg/mL, PPM, PPB 3.4) PPM and PPB 3.4.1) PPM, PPB - General
3.4.1.1) Drug weight from PPM and total Weight Hard 1
Total tried: Correct: Wrong:
The potency of a preparation is 107.8 PPM. How many kilograms will this preparation weigh, if it contains 1832.6 mg of a drug?
Click on the button below to see the answer and explanations
lb equals 17 Kg kg
-
PPM is the number of grams present per 1 million (1,000,000) grams of the preparation or solution or mixture.
107.8 PPM means, there is 107.8 g of drug present in each million (1,000,000) g of the preparation.
Weight of drug = 1832.6 mg.
Converting it to grams `=1832.6/1000=1.8326` g.
Therefore, we can write:
`(107.8 \quad g)/(1,000,000\quad g)=(1.8326\quad g)/x therefore x = 17000` g.
Converting g into Kg:
`=17000/1000=17` Kg. Ans.