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【单选题】
下列关于气体摩尔体积的说法不正确的是 ( )
A.
指单位物质的量的气体所占的体积
B.
常用单位为 L·mol - 1 或 m 3 ·mol - 1
C.
常温常压下, 1 mol 任何气体的体积均约为 22.4 L
D.
其数值不是固定不变的,受温度和压强影响
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