Q.

How many millilitres of 0.1 N H2SO4 solution will be required for complete reaction with a solution containing 0.125 g of pure Na2CO3  ?

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a

23.6 mL

b

25.6 mL

c

26.3 mL

d

32.6 mL

answer is A.

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Detailed Solution

Meq  of H2SO4 = Meq  of Na2CO3NV(ml)1000H2SO4=WENa2CO30.1  ×  V1000  =  0.125106  ×  2V=23.6  mLNote:  Meq=no.of milli equivalents              Meq=WE=NV(ml)1000
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