If you experience a painful bee sting, there is formic acid at work. which type of organic compound is responsible for your suff
ering?
2 answers:
Answer: Carboxylic acid
Explanation: Bee stings are basically venomous in nature and they do create excruciating pain because they contain Formic acid which belongs to the carboxylic acid group.
Formic acid has a pKa of 3.5 approximately. Thus it is moderately acidic in nature . That is why it is recommended to treat it with some kind of alkali like Baking soda or toothpaste etc.
The structure of the formic acid is displayed in the image attached.
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The question is incomplete, here is the complete question:
A chemistry student weighs out 0.104 g of sulfurous acid, a diprotic acid, into a 250.0 mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.0700 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the final equivalence point. Be sure your answer has the correct number of significant digits.
<u>Answer:</u> The volume of NaOH needed is 36.2 mL
<u>Explanation:</u>
To calculate the molarity of solution, we use the equation:
Given mass of sulfurous acid = 0.104 g
Molar mass of sulfurous acid = 82 g/mol
Volume of solution = 250 mL
Putting values in above equation, we get:
To calculate the volume of base, we use the equation given by neutralization reaction:
where,
are the n-factor, molarity and volume of acid which is
are the n-factor, molarity and volume of base which is NaOH.
We are given:
Putting values in above equation, we get:
Hence, the volume of NaOH needed is 36.2 mL