1.

The volume of 0.1 M H_(2)SO_(4) that is needed to completely neutralise 40 ml of 0.2 M NaOH is

Answer»

10 ml
20 ml
40 ml
80 ml

Solution :`N_(1)V_(1)+N_(2)V_(2) IMPLIES 0.2xxV_(1)=0.2xx40 impliesV_(1)=40ml`


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