Tag Archives: percent solution

Review of Solution Preparation Techniques in Chemistry. You want to mix a 30% alcohol solution with a 70% alcohol solution to make 400mL of 60% alcohol solution. How much 70% solution should you use? METHOD 1 : 70% of some quantity ( Solution x ) out of one container + 30% of some quantity (Continue reading “CHEMISTRY: Percentages and Solution Preparation Techniques”