Ответ:
I - 66.7%
O - 33.3%
Объяснение:
M(I2O7)= 127*2+16*7=336
w(O)=16*7/336=33.3%
w(I)=254/336=66.7%
w(i)=Ar(i)*n(i)/Mr(I2O7)*100%
Mr(i2o7)=127*2+16*7=1890
W(I)127*2/1890*100%=13,43
W(o)=16*7/1890*100%=6%
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Ответ:
I - 66.7%
O - 33.3%
Объяснение:
M(I2O7)= 127*2+16*7=336
w(O)=16*7/336=33.3%
w(I)=254/336=66.7%
Ответ:
w(i)=Ar(i)*n(i)/Mr(I2O7)*100%
Mr(i2o7)=127*2+16*7=1890
W(I)127*2/1890*100%=13,43
W(o)=16*7/1890*100%=6%
Объяснение: