Q.

Under the same conditions how many mL of 1 M KOH and 0.5 M H2SO4 solutions, respectively when mixed for a total volume of 100 mL, produce the highest rise in temperature?

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a

67:33

b

40:60

c

33:67

d

50:50

answer is D.

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Detailed Solution

M1V1n1KOH=M2V2n2H2SO4

let volume of KOH = V1 ml

volume of H2SO4 = 100 - V1 = V2 ml

1×V12=0.5×(100-V1)1

V1 = V2 = 50 ml

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