A scientist has a 32-liter solution of acid that is 25% concentrated. She dilutes it by adding 8 liters of water. What is the new concentration of acid in the solution?

Mon, 04 May 2026 16:48:30 +0000

**Discover Hook**
In laboratories and industrial facilities across the U.S., precise chemical formulations play a critical role in research, manufacturing, and innovation. A 32-liter solution of acid at 25% concentration—used in studies, quality control, and product development—has recently sparked interest as experts explore how even small dilution changes impact its properties. When 8 liters of water are carefully added, users naturally ask: What happens to the acid’s strength? Understanding this process matters not just for scientists, but for consumers, educators, and professionals seeking accurate chemical data. **Why This Experiment Matters Now**
Recent trends in STEM education and industrial safety focus on the responsible handling and transformation of chemical solutions. With rising engagement in precision chemistry—especially in academic research and advanced manufacturing—questions about dilution ratios are growing. This scenario exemplifies a common real-world test: how changing volume and concentration alters solution strength. Such inquiries reflect a broader curiosity about chemical behavior under practical conditions, making this a timely topic for learners and professionals seeking factual guidance. **The Science Behind the Dilution**
The original solution contains 32 liters of acid at 25% concentration, meaning 25% of that volume is active acid and 75% is water. When 8 liters of pure water are added, the total volume becomes 32 + 8 = 40 liters. The amount of pure acid remains unchanged:
(25% of 32 liters) = 0.25 × 32 = 8 liters of acid.
The new concentration is calculated by dividing the acid volume by total volume:
New concentration = (8 liters acid) ÷ (40 liters total) = 0.20 = 20%.
This straightforward dilution confirms the acid strength decreases from 25% to 20%—a fundamental principle in chemistry education and laboratory practice. **Common Questions People Ask**
- *Is this safe?* Yes, dilution reduces hazard, but proper protective measures still apply.
- *Does adding water weaken acids?* Only in terms of concentration, not chemical identity or volatility.
- *How do experts verify results after dilution?* Field testing and calibration instruments confirm accuracy.
- *Can precise volume measurements affect outcomes?* Absolutely—accuracy is key in scientific work.