Question

The amout of heat evolved when 500 cm3 of 0.1m hcl is mixed

Answer 1

(A)No. Of moles of H ion=0.1×500/1000=0.05(N=M×V/1000 IN L)No. Of moles of OH ion=0.2×200/1000=0.04As OH is the limiting reagent.Neutralisation of 1 mole of OH provide=57.1 " " 0.04 " " " " =57.1×0.04 =2.292kj

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