October 2018 1 29 Report
Balancear correctamente las siguientes ecuaciones por el método de tanteo:
*H2S+HNO3=H2SO4+NO+H2O
*Sn+HNO3=SnO2+NO2+H2O
*KCIO3+Na2SnO2=KCI+Na2SnO3
*NaIO3+SO2+H2O=NaHSO4+H2SO+I2
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