What is the percent by volume of ethanol (C2H6O) in the final solution when 135mL of ethanol is diluted to a volume of 345mL with water? The total volume of the solution is 345 mL.

This graph gives information on changes in sea ice extent in the arctic ocean over a 30-year span. the overall trend shows in the ice extent. to address the trend, scientists need to ask themselves, one direct consequence of the trend is that

Sugar is dissolved in water. which is the solute? sugar neither both water

What metric units would you use to measure the thickness of a key