A chemist mixes 40 mL of a 30% acid solution with 60 mL of a 50% acid solution. What is the concentration of the resulting mixture?

Thu, 07 May 2026 21:34:22 +0000

**A chemist mixes 40 mL of a 30% acid solution with 60 mL of a 50% acid solution. What is the concentration of the resulting mixture?** K classroom or field experiments involve combining precise volumes of different acid solutions, and one frequently discussed example centers on a chemist mixing 40 milliliters of a 30% acid solution with 60 milliliters of a 50% acid solution. This prompt invites a clear, real-world solution using fundamental chemistry principles—primarily mass and volume weighted averages. Understanding how such mixtures affect concentration helps professionals in education, testing, manufacturing, and environmental analysis. Commonly asked in educational contexts and applied lab work, the question reflects practical curiosity about dilutions and solution chemistry—none more relevant amid growing interest in climate science, water quality monitoring, and laboratory safety across the U.S. --- ### Why This Experiment Is Gaining Attention in the US