将铝粉放入烧碱溶液中,若反应过程中有0.5mol电子转移,则反应中被还原的水的质量

题目

将铝粉放入烧碱溶液中,若反应过程中有0.5mol电子转移,则反应中被还原的水的质量

答案

related half reaction:2H2O + 2e -----> 2OH- + H2from the equation you can see that moles of water reduced are equal to the moles of electrons transferred.So,there is 0.5 mol of water being reduced,whi...