Answer to Question #70558 in Organic Chemistry for Lisa Wahl

Question #70558
A 1.0 mL dose of a 0.035 M potassium cyanide solution is lethal to rats. How many me of potassium cyanide are contained in 1.o mL dose of this solution?
1
Expert's answer
2017-10-13T15:09:07-0400
n(KCN)=(1.0 L)/1000×0.035 mol/L=3.5×〖10〗^(-5) mol
m(KCN)=3.5×〖10〗^(-5) mol×65.12 g/mol=0.0023g=2.3 mg
Answer: 2.3 mg.

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