Method of preparing a salt from dilute tetraoxosulphate vi acid and dilute sodium hydroxide
To prepare a salt from dilute tetraoxosulphate (VI) acid (also known as sulfuric acid) and dilute sodium hydroxide, you would need to follow a neutralization reaction.
Here's the step-by-step process:
1. Identify the balanced chemical equation: The reaction between sulfuric acid (H2SO4) and sodium hydroxide (NaOH) can be represented as follows:
H2SO4 + 2NaOH -> Na2SO4 + 2H2O
2. Determine the stoichiometry: From the balanced equation, we can see that one molecule of sulfuric acid reacts with two molecules of sodium hydroxide to produce one molecule of sodium sulfate and two molecules of water.
3. Measure the required amounts: Based on the stoichiometry, you need to measure the appropriate amounts of sulfuric acid and sodium hydroxide. Make sure to dilute both solutions, as mentioned in your question.
4. Mix the solutions: Slowly pour the dilute sodium hydroxide solution into the dilute sulfuric acid solution while stirring continuously. It is important to add the sodium hydroxide solution to the acid solution slowly to control the reaction and prevent splattering.
5. Observe the reaction: As you mix the solutions, you will notice the formation of a white precipitate, which is the salt. In this case, sodium sulfate (Na2SO4). The reaction will also release heat, so be cautious while handling the solutions.
6. Filter the precipitate: After the reaction is complete, you can filter the mixture to separate the solid sodium sulfate from the liquid. Use filter paper and a funnel to collect the salt, while allowing the liquid (water) to pass through.
7. Wash and dry the salt: Rinse the collected salt with a small amount of distilled water to remove any impurities. Then, let it air dry or use gentle heat to evaporate the remaining water, leaving behind the sodium sulfate salt.
Note: Always wear appropriate safety gear, such as gloves and goggles, and work in a well-ventilated area when handling chemicals.