jameelkhail
Answered

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A paracetamol tablet was allowed to dissolve in 100 mL of water. After 8 minutes, 100 mg of the drug were completely dissolved in the bulk solution. Calculate C (the concentration in the bulk solution)

a. 1 mg/mL
b. 1 mg
c. 12.5 mg/L
d. 12.5 mg/ml​

Sagot :

Explanation:

To calculate the concentration of the paracetamol solution, C, in terms of mg/mL, using dimensional analysis, we can derive the following relation shown below

                                [tex]C \ = \ \displaystyle\frac{\text{mass of paracetamol tablet \ \ (mg)}}{\text{volume of solvent \ \ (mL)}}[/tex].

Therefore,

                                                         [tex]C \ = \ \displaystyle\frac{100 \ \text{mg}}{100 \ \text{mL}} \\ \\ C \ = \ 1 \ \text{mg ml}^{-1}[/tex].

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