(1)设:制得硫酸锌的质量为X,制得氢气的质量为Y
Zn+H2SO4=ZnSO4+H2↑
65 161 2
13g X Y
65 161
_______ = _______
13g X
X= 161*13g/65=32.2g
65 2
_______= ________
13g Y
Y=13g*2/65=0.4g
答:可制得硫酸锌32.2g,可制得氢气0.4g
(2)设:制得氯化钾质量为X
△
2KClO3=======2KCl+3O2
MnO2
149 96
X 9.6g
96 149
________=_________
9.6g X
X=149*9.6g/96=14.9g
答:制得氯化钾14.9g