A chemist mixes 5 liters of a 20% acid solution with 3 liters of a 60% acid solution. What is the concentration of the resulting mixture?
["SEO Article: How to Calculate the Concentration of a Mixed Acid Solution – A Chemist’s Practical Example", "When working with chemical solutions in laboratory or industrial settings, understanding how mixing different concentrations affects the overall mixture is essential. A common scenario is combining a weak acid solution with a stronger one to determine the final concentration—critical for precision in experiments and processes.", "Example Scenario:\nA chemist combines 5 liters of a 20% acid solution with 3 liters of a 60% acid solution. What is the concentration of the resulting mixture?", "### Step-by-Step Calculation", "To find the concentration of the final mixture, we calculate the total amount of pure acid and divide it by the total volume of the combined solution.", "1. Calculate the amount of acid in each solution:", "- First solution:\n Volume = 5 L\n Concentration = 20% → 0.20\n Acid amount = 5 L × 0.20 = 1.0 liters of acid", "- Second solution:\n Volume = 3 L\n Concentration = 60% → 0.60\n Acid amount = 3 L × 0.60 = 1.8 liters of acid", "2. Calculate total acid and total volume:", "- Total acid = 1.0 L + 1.8 L = 2.8 liters\n- Total volume = 5 L + 3 L = 8 liters", "3. Compute final concentration:\nConcentration = (Total acid) / (Total volume) × 100%\nConcentration = (2.8 L / 8 L) × 100% = 35%", "### Final Result\nThe resulting mixture has a concentration of 35% acid, demonstrating how careful volume and concentration calculations ensure accurate chemical formulations.", "---", "### Why This Matters\nThis method is widely applied in chemistry labs, water treatment, pharmaceuticals, and chemical manufacturing. Accurate concentration calculations prevent errors that could compromise reaction outcomes, safety, or product quality.", "If you’re handling similar mixtures, always use the formula:\n[\n\ ext{Final concentration} = \frac{(V_1 \ imes C_1) + (V_2 \ imes C_2)}{V_1 + V_2}\n]\nWhere (V_1, V_2) are volumes and (C_1, C_2) are concentrations.", "---", "Keywords: acid concentration, chemistry calculation, mixed acid solution, chemist, laboratory techniques, 20% acid, 60% acid, final concentration, dilution chemistry, acid mixture, chemical mixing.\nMeta description: Learn how to calculate the concentration of a mixed acid solution. Example: 5L of 20% acid + 3L of 60% acid → Final 35% concentration. Essential for lab accuracy."]
