题干
Some people argue that both the government and the milk producers are ________ for the death of the babies.
A：blamed
B：blaming
C：to be blamed
D：to blame
答案(点此获取答案解析）
D
nC(g)+2D(g) 达到平衡后，A物质的量浓度减小1/2，混合气体的平均摩尔质量增大1/8，则该反应的化学方程式中n的值是（ )