I believe this is the a^2+b^2=c^2. Sorry if you don't understand me language I speak German. But uh, its based on PT i think. hope it help!
Answer : The correct option is, kilogram of solvent.
Explanation :
Molality : It is defined as the number of moles of solute present in one kilogram of solvent.
Or, we can say that the number of moles of solute per kilogram of solvent.
The unit of molality is mole per kilogram or mole/Kg.
The formula will be :
Hence, the molality is a unit of concentration that measures the moles of solute per kilogram of solvent.
Solute is the detergent
Solvent is the water
Alteration of the physical form of a drug outside its label is compounding
It is called compounding according to some sources.