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Q.

A tablet of vitamin 'C' is analysed for its ascorbic acid content. One tablet reacts exactly with 20ml of 0.1 N NaOH solution. The equivalent weight of ascorbic acid is 176. The tablet contains ___ mg of ascorbic acid

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a

0.352 

b

3.52 

c

 35.2

d

 352

answer is B.

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Detailed Solution

Vitamin C is a nutritional supplement that is present in a variety of foods. It is used to treat and prevent scurvy. Vitamin C is a necessary component that aids in tissue healing and the enzymatic synthesis of certain neurotransmitters.

20ml of 0.1 N NaOH solution 

=1761000×20×0.1

20 ml of 0.1 N contain  3.52 


Hence the correct answer is (B). 3.52

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