用NA表示阿伏加德罗常数的值，下列叙述正确的是                                ...

问题详情：

用NA表示阿伏加德罗常数的值，下列叙述正确的是                                                                                                                  

A.含有NA个氦原子的氦气在标准状况下的体积约为11.2L                                                                                                            

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

C.在常温常压下，11.2L Cl2含有的分子数为0.5NA                                                                                                                                                                                                        

D.标准状况下，11.2LH2O含有的分子数为0.5NA                                                                                                                     

【回答】

B

知识点：物质的量单元测试

题型：选择题