The term proof is defined as twice the percent by volume of pure ethanol in solution. Thus, a solution that is 95% (by volume) ethanol is 190 proof. What is the molarity of ethanol in a 92 proof ethanol/water solution?
A) 0.46 M
B) 0.80 M
C) 17 M
D) 0.92 M
E) 8.0 M

Question

The term proof is defined as twice the percent by volume of pure ethanol in solution. Thus, a solution that is 95% (by volume) ethanol is 190 proof. What is the molarity of ethanol in a 92 proof ethanol/water solution? 
A) 0.46 M 
B) 0.80 M 
C) 17 M 
D) 0.92 M 
E) 8.0 M

Quizplus · Accepted Answer

The Answer of The term proof is defined as twice the percent by volume of pure ethanol in solution. Thus, a solution that is 95% (by volume) ethanol is 190 proof. What is the molarity of ethanol in a 92 proof ethanol/water solution? 
A) 0.46 M 
B) 0.80 M 
C) 17 M 
D) 0.92 M 
E) 8.0 M

The Term Proof Is Defined as Twice the Percent by Volume