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How much heat is liberated when 100 mL of 1 N NaOH is neutralised by 300 mL of 1 N HCl ?


(a) 22.92 kJ
(b) 17.19 kJ
(c) 11.46 kJ
(d) 5.73 kJ
Can you answer this question?
 
 

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Answer: 5.73 kJ
100 mL of 1 N NaOH will be exactly neutralised with 100 mL of 1 N HCl.
1000 mL of 1 N NaOH reacts with 1000 mL of HCl to give 57.3 kJ of heat.
$\therefore$ 100 mL of 1 N NaOH will react with 100 mL of 1 N HCl to give $\frac{57.3}{1000}\times 100$ = 5.73 kJ of heat
answered Feb 25, 2014 by mosymeow_1
 

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