15 Paragraf Novoshinskii Otvety Na Zadaniia Khimiia 9 Klass ★ Updated

Zn+2HCl→ZnCl2+H2↑cap Z n plus 2 cap H cap C l right arrow cap Z n cap C l sub 2 plus cap H sub 2 up arrow

CuO+2H++2Cl−→Cu2++2Cl−+H2Ocap C u cap O plus 2 cap H raised to the positive power plus 2 cap C l raised to the negative power right arrow cap C u raised to the 2 plus power plus 2 cap C l raised to the negative power plus cap H sub 2 cap O

CuO+2H+→Cu2++H2Ocap C u cap O plus 2 cap H raised to the positive power right arrow cap C u raised to the 2 plus power plus cap H sub 2 cap O 15 paragraf novoshinskii otvety na zadaniia khimiia 9 klass

AgNO3+HCl→AgCl↓+HNO3cap A g cap N cap O sub 3 plus cap H cap C l right arrow cap A g cap C l down arrow positive cap H cap N cap O sub 3 Находим количество вещества AgNO3cap A g cap N cap O sub 3

n(AgNO3)=mM=17 г170 г/моль=0,1 мольn open paren cap A g cap N cap O sub 3 close paren equals the fraction with numerator m and denominator cap M end-fraction equals the fraction with numerator 17 г and denominator 170 г/моль end-fraction equals 0 comma 1 моль По уравнению Масса осадка: Zn+2HCl→ZnCl2+H2↑cap Z n plus 2 cap H cap

Zn+2H+→Zn2++H2↑cap Z n plus 2 cap H raised to the positive power right arrow cap Z n raised to the 2 plus power plus cap H sub 2 up arrow

CuO+2HCl→CuCl2+H2Ocap C u cap O plus 2 cap H cap C l right arrow cap C u cap C l sub 2 plus cap H sub 2 cap O 15 paragraf novoshinskii otvety na zadaniia khimiia 9 klass

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