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all477
@all477
July 2022
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Дано: CaC2 + H2O = Ca(OH)2 + C2H2
масса(СaC2) = 128 г.
Нужно найти объём(C2H2)
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ViktorieF
CaC2 +2 H2O = Ca(OH)2 + C2H2
M(CaC2) = 40+ 12*2 = 64 г\ моль
128 г\ 64 г = ч л\ 22.4 л
х = 128 г * 22.4\ 64 = 44.8 л
Ответ : v ( C2H2) = 44.8 л
4 votes
Thanks 6
mariamteymurazyan
128 x
СаС2+Н2О=Са(ОН)2+С2Н2 X=52
64 26
1 votes
Thanks 1
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Answers & Comments
M(CaC2) = 40+ 12*2 = 64 г\ моль
128 г\ 64 г = ч л\ 22.4 л
х = 128 г * 22.4\ 64 = 44.8 л
Ответ : v ( C2H2) = 44.8 л
128 x
СаС2+Н2О=Са(ОН)2+С2Н2 X=52
64 26