5HI + HIO3 = 3I2 + 3H2O
n HI = 0.1*0.75 = 0.075 моль
n HIO3 = 0.1*0.750 = 0.075 моль
m I2 = 0.075*3*254 = 57.15 г
1)C6H6+Br2->C6H5Br+HBr
2)CH3-COH+H2->CH3-CH2OH
3)C6H12O6->2C2H5OH+2CO2
4)HCOH+Ag2O->HCOOH+2Ag+H2O