用NA表示阿伏加德羅常數的值，下列敍述正確的是                                ...

問題詳情：

用NA表示阿伏加德羅常數的值，下列敍述正確的是                                                                                                                  

A.含有NA個氦原子的氦氣在標準狀況下的體積約為11.2L                                                                                                            

B.25℃，1.01×105Pa，64gSO2中含有的原子數為3NA                                                                                                                

C.在常温常壓下，11.2L Cl2含有的分子數為0.5NA                                                                                                                                                                                                        

D.標準狀況下，11.2LH2O含有的分子數為0.5NA                                                                                                                     

【回答】

B

知識點：物質的量單元測試

題型：選擇題