The concentration of active ingredient in a tablet (eg. folate in a supplement) is expressed in which of the following units:Question 7Select one:a.% m/mb.% v/vc.Moles/Ld.% m/v
Question
The concentration of active ingredient in a tablet (eg. folate in a supplement) is expressed in which of the following units:Question 7Select one:a.% m/mb.% v/vc.Moles/Ld.% m/v
Solution
The concentration of active ingredient in a tablet (for example, folate in a supplement) is typically expressed in the unit "% m/m".
Here's why:
a. % m/m: This stands for mass/mass percent. This is used when both the solute and the solvent are solid, like in a tablet. So, the concentration of a solid (like folate) in a solid (like a tablet) is expressed in this unit.
b. % v/v: This stands for volume/volume percent. This is used when both the solute and the solvent are liquids. So, this would not be used for a tablet.
c. Moles/L: This is used for the concentration of a solution, typically in liquid form. It's not typically used for solids like tablets.
d. % m/v: This stands for mass/volume percent. This is used when the solute is a solid and the solvent is a liquid. So, this would not be used for a tablet.
So, the correct answer is a. % m/m.
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