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jsmith613
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Homework Statement
Why is the answer D??
Homework Equations
The Attempt at a Solution
So I know that Na2CO3 is used to remove excess acid but surely only HBr is the acid?
Borek said:SO2 is an acid anhydride, so there would be nothing strange in the fact it reacts with a basic solution. However, there is more to it. Bromine is a strong oxidizing agent, and in the alkaline solution it can easily oxidize sulfite (known reducing agent) to something much more stable.
Borek said:During reaction, but we are talking about purification of a distilled product, don't we?
Na2CO3, also known as sodium carbonate, is a strong base that can react with acidic impurities in a solution. The bicarbonate ions in Na2CO3 react with hydrogen ions from the acidic impurities, forming water and carbon dioxide gas. This reaction helps to neutralize the solution and remove impurities.
Na2CO3 is commonly used to remove acidic impurities such as hydrogen sulfide, carbon dioxide, and other organic acids. It can also remove heavy metal ions, such as copper and lead, by forming insoluble carbonates.
The process for removing impurities using Na2CO3 involves adding a calculated amount of the compound to the solution containing impurities. The solution is then stirred to allow the Na2CO3 to react with the impurities. The resulting precipitate can be filtered out, leaving a purified solution.
No, Na2CO3 is most effective for removing impurities in acidic solutions. It may not be as effective for removing impurities in neutral or basic solutions. Additionally, the type of impurities present may affect the efficiency of Na2CO3 in removing them.
Yes, Na2CO3 is a corrosive substance and can cause irritation to the skin and eyes. It is important to wear protective gloves and goggles when handling it. It is also recommended to work in a well-ventilated area to avoid inhaling any potential fumes. Proper disposal of the resulting precipitate is also important to prevent environmental contamination.