A mixture contains 30% alcohol and the rest water. If 10 liters of water are added to 20 liters of this mixture, what is the new percentage of alcohol?

Fri, 17 Apr 2026 03:48:47 +0000

**Why the Simple Mix Is Gaining Attention – The Mechanics of Alcohol Dilution at 30%** In a world where beverage choices are increasingly rooted in transparency and moderation, a common household mixture—30% alcohol, 70% water—has quietly become a topic of growing curiosity. With health-conscious consumers, craft mixers, and ever-so-subtle lifestyle trends shaping conversation, questions about concentration shifts after dilution are surfacing naturally across digital spaces. Many wonder: if 20 liters of a 30% alcohol blend is diluted by adding 10 liters of water, what changes occur in the alcohol percentage? This isn’t just a math question—it’s a reflection of rising interest in ingredient knowledge, personalized consumption, and the science behind everyday drinks. The mixture in question contains 30% alcohol by volume, meaning 30% of its current volume is ethanol, and the remaining 70% is water. When 10 liters of water are added to 20 liters of this mixture, the total volume increases to 30 liters. The alcohol content itself remains unchanged—only diluted. Calculating the new percentage becomes a straightforward exercise: total alcohol content stays at 6 liters (30% of 20L), now spread across 30 liters total. Dividing 6 liters by 30 liters yields 20% alcohol by volume—lower than the original strength, yet precisely calculable and predictable. This kind of precise, real-world math resonates with US readers seeking clarity amid complex choices. This dilution trend reflects deeper consumer values: transparency in ingredient composition, demand for customizable experiences, and interest in reducing alcohol impact without eliminating enjoyment. For home mixers, bartenders, and wellness-oriented users, understanding these changes enables smarter, more intentional decisions—whether crafting a low-ABV drink or adjusting having size consciously.