一定温度下,影响一定质量气体体积大小的决定因素是         

一定温度下,影响一定质量气体体积大小的决定因素是                                             

       A.气体的密度                                        B.气体分子体积的大小

       C.气体分子间的平均距离                      D.气体的相对分子质量

答案

C

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