Ответ:
C) 480
Объяснение:
Cu + H2SO4(к)= CuSO4 + SO2 + H2O
CuO + H2SO4 = CuSO4 + H2O
n(H2SO4)=(472*0.8)/98= 3,853
Cu - CuSO4 (((40-X)/63.5)*160)
CuO - CuSO ((X/79.5)*160)
SO2 - ((40-X)/63.5)*64
-----------------------------------
0.2=((((40-X)/63.5)*160)+((X/79.5)*160))/(40+472-((40-X)/63.5)*64)
X=9.101
(40+472-((40-9.101)/63.5)*64)
512-31,1422=480,85
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Answers & Comments
Ответ:
C) 480
Объяснение:
Cu + H2SO4(к)= CuSO4 + SO2 + H2O
CuO + H2SO4 = CuSO4 + H2O
n(H2SO4)=(472*0.8)/98= 3,853
Cu - CuSO4 (((40-X)/63.5)*160)
CuO - CuSO ((X/79.5)*160)
SO2 - ((40-X)/63.5)*64
-----------------------------------
0.2=((((40-X)/63.5)*160)+((X/79.5)*160))/(40+472-((40-X)/63.5)*64)
X=9.101
(40+472-((40-9.101)/63.5)*64)
512-31,1422=480,85