In a titration, 25.0 ml of 0.500 m khp is titrated to the equivalence point with naoh. the final solution volume is 53.5 ml. what is the value of m2 for the reaction?

0.439 m

0.500 m

0.234 m

1.07 m

Answer : The concentration of the NaOH is, 0.234 M

Explanation :

Using neutralization law,

where,

= basicity of an acid = 1

= acidity of a base = 1

= concentration of KHP = 0.500 M

= concentration of NaOH = ?

= volume of KHP = 25 ml

= volume of NaOH = 53.5 ml

Now put all the given values in the above law, we get the concentration of the NaOH.

Therefore, the concentration of the NaOH is, 0.234 M

answer : one can design an experiment using a liquid and an additive that can be added to the liquid and observe the chemical changes in the reaction species.

one would need a beaker which is filled with a known amount of the liquid in which thermometer is placed to measure the temperature changes; after addition of the additive to the liquid solution one can note down the temperature change and find whether the reaction is endothermic or exothermic in nature. by subtracting the initial temperature value with the final temperature one can find the temperature changes.

various combinations of liquid and additive can be used. liquid in this case can be a known quantity of water and additives can be epsom salt or without epsom salt the experiment can be conducted to notice the changes. water and ice, hydrogen peroxide and dry yeast, vinegar and baking soda,etc.

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