形____、____
治____、____
通____、____
害____、____
①____ Na2S2O3+____HCl→____ NaCl+____S+____SO2↑+
____H2O
②____ Zn+____H++____NO3﹣→____ Zn2++____NH4++____H2O.
计算:0.365×640+312×36.5+365×0.01.