1024˹ fulidowm
ȵС
: M = 5.9742 1024 : GE = 3.986004418 1014 ^3/^2ƽܶ: e = 5.515 /^3̫...
...1molԭD.1molNeк6.021024
::Aʵ,1molκӶ6.021023,A;B1mol12C12g,Լ6.021023...
...mol1 molD.1 mol Neк6.021024...
D
...ķԼ( )A. 1024B. 898C. 880D. 862
::ڶһֻ״,γɹ,ʧȥˮ=ļ==8.ݵԷ=ƽ...
...3.011023B.1.2021024C.2molD.6.021023
::0.55ol Alm(SO)ؿںеӵʵΪ:8(Al+)=8[Alm(SO)]=0.55olm=15ol,15olӵĿ...
ѧйɫηչ·:й...
C
йԭϸϸ,ȷ A.ԭ...
:ȾɫʺȾɫͬһ,ȾɫҪDNA͵,ԭϸDNA,ԭϸȾɫ;Aѡ....
ѧʵ˵50ѧ,˵g=9.8m/...
5.97421024 kg뾶6.378140106 m뾶6.356775106 m̫1.98911030 kg̫ƽ뾶6.96108 m7.34831022 kg...
йʵ,ȷ( )A. 1molκ...
DһNe10,1mol10mol,1mol NeԼ6.021024,D;ѡB. Aκʶɷӹ,辧...
(2011һģ)NAΪӵ,...
C.,42.0gϩͱϩĻке̼ԭaֵΧԼΪ:1.2041024<a<1.8061024D.״,22.4LױķԼ...