1.

The amount of heat released, when 20 ml of 0.5 M NaOH is mixed with 100 mL of 0.1M HCl, is x k cal. The heat of neutralisation is

Answer»

`10x "K Cal mole"^(-1)`
`100X "k Cal mole"^(-1)`
`-100 x"k Cal mole"^(-1)`
`-23.92x "k Cal mole"^(-1)`

SOLUTION :EQ. NEUTRALISED = 10 m.eq
10 m.eq `rarr` - x kJ
1 eq `rarr` ? kJ
`(-x)/(10 xx 10^(-3)) = - 100x kJ`/mole


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