Asolution of malonic acid, h2c3h2o4 , was standardized by titration with 0.1000 m naoh solution. if 21.55 ml of the naoh solution were required to neutralize completely 12.55 ml of the malonic acid solution, what is the molarity of the malonic acid solution?

0.0862M is  the molarity of the malonic acid solution.

Explanation:

To calculate the concentration of acid, we use the equation given y neutralization reaction:

where,

are the n-factor, molarity and volume of malonic acid.

are the n-factor, molarity and volume of base which is NaOH.

We are given:

Putting values in above equation, we get:

0.0862M is  the molarity of the malonic acid solution.

the answer to your question is c.

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1.solid

2.carbon dioxide

3.helium