Question
Nalorphine, a relative of morphine, is used to combat withdrawal symptoms in heroin users. How many milliliters of a $0.40 \%(\mathrm{~m} / \mathrm{v})$ solution of nalorphine must be injected to obtain a dose of $1.5 \mathrm{mg}$ ?
Step 1
We know that 1 milligram is equal to $10^{-3}$ grams. So, the mass of nalorphine is $1.5 \times 10^{-3}$ grams. Show more…
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