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【单选题】
下列说法错误的是（    ）
A.
1mol任何物质都含有约6.02×10 23 个原子
B.
0.012kg 12 C约含有6.02×10 23 个碳原子
C.
使用物质的量时，应用化学式且指明粒子的种类
D.
标准状况下，1mol H 2 的质量是2g，所占的体积约为22.4L
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