what precaution most be needed for dilutation of acids?
Answers
Answer -
Using concentrated acids and diluting them down as required helps to save space in the lab and gives you the flexibility to make up any concentration you need.
The drawback is that working with concentrated acids can be very hazardous.
When performing dilutions it is vital to work safely and always add acid to water, not the other way around!
I hope it help u ☺.
Answer: Whenever a concentrated acid like sulphuric acid is to be diluted with water, care must be taken that acid should be added dropwise to water taken in the container with constant steering. Heat involved in this case will be quite slow. If water is added to the acid, it will have affinity for the entire quantity of the acid present. So much it will be evolved that the glass container in which dilution is carried will crack. Moreover, the vapour released in the the atmosphere as fog, will cause pollution problem.
We must have come across containers with labels depicting 'danger sign'. They contain either strong acids or strong bases and must be handled with care. These have strong and corrosive action on the skin and can result in severe burns and blisters.
So, we must not add water in concentrated acid because it causes highly exothermic reaction.
Hence, we should be added concentrated acid dropwise to water taken in the container with constant steering.