Răspuns:
A,P=31g/mol
niu,P=m/miu=310/31mol= 10mol
4mol................. ... 2mol
4P + 5O2---> 2P2O5
10mol....................x
x= 20/4mol=5mol P2o5
miu,P2O5=142g/mol
m=niuxmiu=5molx142g/mol=710g P2O5
Explicație:
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Răspuns:
A,P=31g/mol
niu,P=m/miu=310/31mol= 10mol
4mol................. ... 2mol
4P + 5O2---> 2P2O5
10mol....................x
x= 20/4mol=5mol P2o5
miu,P2O5=142g/mol
m=niuxmiu=5molx142g/mol=710g P2O5
Explicație: