A research scientist is diluting a chemical solution. She starts with 500 mL of a 40% concentration solution and adds 150 mL of water. What is the new concentration of the solution, rounded to the nearest tenth of a percent?

Mon, 04 May 2026 15:01:07 +0000

**Curious About Dilution? Here’s the Precise Science Behind Flushing a Chemical Solution** How does a small change—adding water to a concentrated solution—reshaped a scientist’s data? When a research scientist dilutes a chemical mixture, even modest adjustments trigger measurable shifts in concentration. Recently, a practical experiment drew quiet attention: starting with 500 mL of a 40% concentration solution and diluting it with 150 mL of water prompts a mathematical reevaluation essential across labs, education, and industrial oversight. This simple but precise process underscores how accurate calculations support trustworthy science and everyday decision-making. --- ### Why A research scientist is diluting a chemical solution. She starts with 500 mL of a 40% concentration solution and adds 150 mL of water. What is the new concentration of the solution, rounded to the nearest tenth of a percent?