0.65g锌物质的量为：0.65/65=0.01 mol1.设产生 V L氢气Zn + 2HCl === H2(g) + ZnCl21 --------------------10.01mol----------- V/22.41 :1 = 0.01 :V/22.4解得V = 0.224 L=224mL产生224 mL 氢气2.原溶液含HCl:0.050...