Question #591bb Chemistry Solutions Percent Concentration 1 Answer Nathan L. May 16, 2017 #18.8%# Explanation: #%ethanol# by volume #=(V_(ethanol))/(V_(t otal)) xx 100%# # = (525mL)/(2800mL) xx 100% = 18.8%# Answer link Related questions How can the concentration of water in solution be decreased? How can the concentration of a solution be increased? How do you find the concentration of a solution in ppm? How do you make a 10 percent solution? How do you make a 2 percent solution? What is the weight per volume method to calculate concentration? What percent concentration of KCl would be isotonic? What is the percent concentration of sodium chloride in normal saline? What is the percent concentration of a 6m solution of NaCl? What is the percent concentration formula? See all questions in Percent Concentration Impact of this question 1395 views around the world You can reuse this answer Creative Commons License