To make a 25% sulfuric acid solution, you will need to follow the proper dilution procedure. Please note that handling sulfuric acid requires caution and appropriate safety measures due to its corrosive nature. It is recommended to wear protective equipment such as gloves and goggles and work in a well-ventilated area.
Here's a step-by-step guide to prepare a 25% sulfuric acid solution:
Determine the amount of solution you want to prepare. Let's assume you want to make 1 liter of the 25% sulfuric acid solution.
Calculate the volume of sulfuric acid needed. To make a 25% solution, you'll need 25% of the total volume to be sulfuric acid. In this case, it would be 0.25 liters (25% of 1 liter).
Measure the required amount of concentrated sulfuric acid. Since concentrated sulfuric acid is usually sold in higher concentrations (such as 95-98%), you need to dilute it. Carefully pour 0.25 liters of concentrated sulfuric acid into a suitable container. Remember to add acid to water slowly, never the other way around, to avoid splattering and heat generation.
Add water slowly to the container. While stirring gently, add water to the container until the total volume reaches 1 liter. Make sure to pour the water slowly and cautiously to avoid splashing or generating excessive heat.
Stir the solution thoroughly. Use a glass or plastic rod to mix the contents of the container, ensuring the acid is properly diluted with water. Continue stirring until the solution is well-mixed.
Allow the solution to cool. Sulfuric acid dilution generates heat, so allow the solution to cool down before using or transferring it to a storage container. Ensure the container you use is suitable for storing sulfuric acid.
Remember, when working with sulfuric acid, always prioritize safety and take necessary precautions to protect yourself and others. If you are uncertain about handling such chemicals, it is best to seek guidance from a professional or consult with a chemist.