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एक विलयन के 500 मिली विलयन में HCl के 18.25 ग्राम घुले हैं। विलयन की नॉर्मलता तथा pH ज्ञात कीजिये।

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HCl की नॉर्मल `=(HCl के तुल्यांकी )/(विलयन का आयतन (लीटर))`
`=(HCl का भार) /(HCl का तुल्यांकी भार xx विलयन का आयतन (लीटर))`
`=(18.25 xx 1000)/(36.5 xx 500)`
HCl की नॉर्मलता =1 N
`therefore [H^(+)]=1 =10^(0) rArr pH=0`

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