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BOH is a weak base, molar concentration of BOH that provides a of is
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a
0.15 M
b
0.1515 M
c
0.0015 M
d
1.5 × 10-5 M
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Correct option is A
BOH ⇌ B+ + OH- Kb=Cα2; α2=KbC ; α=KbC ; [OH-] =Cα By Ostwald's dilution law; OH- = KbC [OH-]2=KbC (1.5 × 10-3 )2=1.5 × 10-5 C C = 0.15 M
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