2.29 Nalorphene , similar to morphine, is used to combat withdrawal symptoms in narcotic users. Dose of nalorphene generally given is Calculate the mass of aqueous solution required for the above dose.
We are given with molality of the solution, so we need to find the moles of Nalorphene.
Molar mass of nalorphene = 19(12) + 21(1) + 1(14) + 3(16) = 311u.
So moles of nalorphene :
So the required weight of water is 3.2 g.
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