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CBSE Class 11-science Answered

If 0.1N 100ml NaOH is mixed with 0.1N 100ml HCl then find out final normality?
Asked by Balbir | 06 Jun, 2019, 07:00: PM
answered-by-expert Expert Answer
This is a neutralisation reaction we can write it as-
 
HCl plus NaOH rightwards arrow NaCl plus straight H subscript 2 straight O Gram space equivalents space of space HCl equals 0.1 cross times 100 over 1000 space left parenthesis Normality cross times Volume right parenthesis space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 0.01 Number space of space moles space of space HCl equals fraction numerator 0.01 over denominator 1 end fraction space space space left parenthesis number space of space moles space equals fraction numerator gram space equivalents over denominator straight n end fraction right parenthesis gram space equivalents space space of space NaOH equals space 0.1 cross times 100 over 1000 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 0.01 Number space of space moles space of space NaOH equals fraction numerator 0.01 over denominator 1 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 0.01 1 space mole space of space HCl space will space give equals 1 space mole space of space NaCl Gram space equivaletns space of space NaCl equals 0.01 Normality space of space NaCl equals space fraction numerator 0.01 cross times 1000 over denominator 200 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 0.05 space straight N
Answered by Ravi | 09 Jun, 2019, 01:33: PM

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