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`N/80 NaCN` के विलयन में `NaCN` के जल-अपघटन का प्रतिशत ज्ञात करें , जबकि `NaCN` का विघटन स्थिरांक `1.3 xx 10^(-9)` और `K_(w) = 1.0 xx 10^(-14)` हैं ।

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`h = sqrt((K_(w))/(K_(h).C))= sqrt((1.0 xx 10^(-14))/(1.3 xx 10^(-9) xx 1/80)) =2.48 %`

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