Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


You could measure the density. there are many tables of densities of ethanol and water mixtures so knowing the density, you look up the concentration. it's not the most accurate but it is simple.
0 0 0
check for the different densities  whichever fits the concentration
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts