Question

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Calculate the amount of heat evolved when :-

200 cm³ of 0.3 M hydrochloric acid is mixed with 500 cm³ of 0.5 M sodium hydroxide solution

Answer 1

hello Riya Sharma your answer is in the referred attachmenthello Riya Sharma your answer is in the referred attachment

Answer 2

to calculate the amount of heat airport in 200 cm cube of 0.3 M hydrochloric acid is mixed with 500 cm cube of 0.5 m sodium hydroxide solution by

taking number of moles h
i o n is equal to 0.1 into 500/1000 is 0.05(n=m.v/1000 In l)

no of moles in oh
ion 0.2x200/1000=0.04
as o h is the limiting reagent of neutralization of 1 mole of oh

Ans comes
$2.292kj$