Question by Marie H: What is the weight of ephedrine required to make up 75 ml of a 50.0 mM solution?
CAn you give me more detail on the units here?
how to make it to mol/l?
Best answer:
Answer by Dr.A
molar mass = 165.23 g/mol
moles needed = 0.075 mL x 0.0500 M = 0.00375
mass = 0.00375 x 165.23 g/mol=0.620 g
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