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11thealexander
@11thealexander
July 2022
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Написать уравнение реакций, при помощи которых можно осуществить следующие превращение?
P - P2O5 - H3PO4 - Ca3(PO42) - H3PO4
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AlexHiMiK
Verified answer
1) 4P + 5O2 =[t°C]=> 2P2O5
2) P2O5 + 3H2O =[t°C]=> 2H3PO4
3) 3Ca(OH)2 + 2H3PO4 => Ca3(PO4)↓ + 6H2O
4) Ca3(PO4)2 + 3H2SO4 => 3CaSO4 + 2H3PO4
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Answers & Comments
Verified answer
1) 4P + 5O2 =[t°C]=> 2P2O52) P2O5 + 3H2O =[t°C]=> 2H3PO4
3) 3Ca(OH)2 + 2H3PO4 => Ca3(PO4)↓ + 6H2O
4) Ca3(PO4)2 + 3H2SO4 => 3CaSO4 + 2H3PO4