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28/09/2021 9:06 pm
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The amount of energy released when 20 mL of 0.5 M NaOH are mixed with 100 mL of 0.1 M HCl is x kJ. The heat of neutralisation (in kJ mol-1) is
(a) -100x
(b) -50x
(c) +100 x
(d) +50x
1 Answer
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28/09/2021 9:08 pm
Correct answer: (a) -100x
Explanation:
In question 0.01 gev of NaOH is being neutralised by 0.01 gev of HCl and value is x kJ, for 1 gev the value is -100x (exothermic process).