What is the effect of mixing a small amount of sulfuric acid into nicotinic acid?
Thread Content
What effect will mixing a large tank containing 400 tons of nicotinic acid with 4 tons of 93% sulfuric acid have on a large tank with a capacity of 1,000 tons? Will a large amount of smoke be generated?
4 tons of 93% acid are added to 400 tons of nicotinic acid (104.5%), and since the mass of the solute remains unchanged before and after dilution, it can be determined that the diluted solution consists of 404 tons of acid at 104.39% concentration. So, the acid concentration has only decreased a little. The dilution process is exothermic, so smoke will definitely be generated; originally, there is already a large amount of smoke associated with nicotinic acid. If there are balance pipes or breather valves on the large tank, it should have no impact on a 1000-ton tank. My personal understanding!
Correct answer: When acid is added to nicotinic acid, as long as the temperature does not exceed 45° after heat is released, there is no problem!
Adding 93% acid releases heat, so it is recommended to add it slowly.
4% multiplied by 93% has little impact