Problem: A cough syrup contains 5.0% ethyl alcohol, C2H5OH, by mass. If the density of the solution is 0.9928 g/mL, determine the molarity of the alcohol in the cough syrup.

🤓 Based on our data, we think this question is relevant for Professor Razunguzwa's class at GWU.

FREE Expert Solution

To solve this problem, let’s assume a 100 g cough syrup sample and determine the mass of ethyl alcohol:

Recall molarity:

View Complete Written Solution
Problem Details

A cough syrup contains 5.0% ethyl alcohol, C2H5OH, by mass. If the density of the solution is 0.9928 g/mL, determine the molarity of the alcohol in the cough syrup.

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Calculate Molarity concept. You can view video lessons to learn Calculate Molarity. Or if you need more Calculate Molarity practice, you can also practice Calculate Molarity practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Razunguzwa's class at GWU.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.