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【单选题】
最近，兰州近代物理研究所研制出我国首批氧-18气体。氧-18是氧的一种同位素，称为重氧，下列说法正确的是
[ ]
A.
1.8g氧-18气体的物质的量是0.1mol
B.
0.1mol重氧气体的体积是2.24L
C.
重氧气体的摩尔质量为36g
D.
0.1mol重氧水所含中子数约是6.02×1023个
参考答案：
参考解析：
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