问题
选择题
常温下，在100ml12mol•L-1的浓HNO3中加入足量的铁粉，最终产生标准状况下气体的体积为（不考虑NO2转化为N2O4）（ ）
A．几乎无气体产生
B．等于6.72L
C．等于13.44L
D．介于6.72L至13.44L之间
答案
12mol•L-1的浓HNO3是浓硝酸，在常温下，铁在浓硝酸中发生钝化现象，几乎无气体产生．
故选：A
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常温下，在100ml12mol•L-1的浓HNO3中加入足量的铁粉，最终产生标准状况下气体的体积为（不考虑NO2转化为N2O4）（ ）
A．几乎无气体产生
B．等于6.72L
C．等于13.44L
D．介于6.72L至13.44L之间
12mol•L-1的浓HNO3是浓硝酸，在常温下，铁在浓硝酸中发生钝化现象，几乎无气体产生．
故选：A
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