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MagicCinnamonRollbby
@MagicCinnamonRollbby
April 2021
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Очень срочно! С1 &С2
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Moon1337
1)4P+5O2=2P2O5
P2O5+3H2O=2H3PO4
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Chemistry2016
4P + 5O₂ = 2P₂O₅
P₂O₅ + 3H₂O = 2H₃PO₄
Ca(OH)₂ + CO₂ = CaCO₃↓ + H₂O
m(Ca(OH)₂) = 50x0,2 = 10 г
M(Ca(OH)₂) = 40 + 32 + 2 = 74 г/моль
n(Ca(OH)₂) = 10/74 = 0,0018 моль
n(Ca(OH)₂) = n(CO
₂) = 0,0018 моль
V(CO₂) = 0,0018x22,4 = 0,04 л
1 votes
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Answers & Comments
P2O5+3H2O=2H3PO4
P₂O₅ + 3H₂O = 2H₃PO₄
Ca(OH)₂ + CO₂ = CaCO₃↓ + H₂O
m(Ca(OH)₂) = 50x0,2 = 10 г
M(Ca(OH)₂) = 40 + 32 + 2 = 74 г/моль
n(Ca(OH)₂) = 10/74 = 0,0018 моль
n(Ca(OH)₂) = n(CO₂) = 0,0018 моль
V(CO₂) = 0,0018x22,4 = 0,04 л