暴急!1.由Na2S、Na2SO3、Na2SO4组成的混合物中,测得含氧元素为22%,则其中硫元素为( )A.32% B.40% C.78% D.无法确定2.由Fe、FeO(氧)、 Fe2O(氧)3和Fe3O(氧)4中的两种或两种以上物质组合的混
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 03:59:52
![暴急!1.由Na2S、Na2SO3、Na2SO4组成的混合物中,测得含氧元素为22%,则其中硫元素为( )A.32% B.40% C.78% D.无法确定2.由Fe、FeO(氧)、 Fe2O(氧)3和Fe3O(氧)4中的两种或两种以上物质组合的混](/uploads/image/z/1437435-27-5.jpg?t=%E6%9A%B4%E6%80%A5%211.%E7%94%B1Na2S%E3%80%81Na2SO3%E3%80%81Na2SO4%E7%BB%84%E6%88%90%E7%9A%84%E6%B7%B7%E5%90%88%E7%89%A9%E4%B8%AD%2C%E6%B5%8B%E5%BE%97%E5%90%AB%E6%B0%A7%E5%85%83%E7%B4%A0%E4%B8%BA22%EF%BC%85%2C%E5%88%99%E5%85%B6%E4%B8%AD%E7%A1%AB%E5%85%83%E7%B4%A0%E4%B8%BA%EF%BC%88+%EF%BC%89A.32%EF%BC%85+B.40%EF%BC%85+C.78%EF%BC%85+D.%E6%97%A0%E6%B3%95%E7%A1%AE%E5%AE%9A2.%E7%94%B1Fe%E3%80%81FeO%EF%BC%88%E6%B0%A7%EF%BC%89%E3%80%81+Fe2O%EF%BC%88%E6%B0%A7%EF%BC%893%E5%92%8CFe3O%28%E6%B0%A7%EF%BC%894%E4%B8%AD%E7%9A%84%E4%B8%A4%E7%A7%8D%E6%88%96%E4%B8%A4%E7%A7%8D%E4%BB%A5%E4%B8%8A%E7%89%A9%E8%B4%A8%E7%BB%84%E5%90%88%E7%9A%84%E6%B7%B7)
xVNW~EXjd$e}'H$n#b0c]0M `Bn R&ɞW~Μ]MFZ5\sfs62˗\;.([֏UICs=oy~nv/M-9o6Xjͺ<4W2Lg6Ysk8Х U.Y˼x_YWUYl!xBWiiY-l'&kC/`Oھ<*@P>|<_Kt_C"`_ډm@&ac5v7/^` qͮX>ˋmDP1^2˽'E?9vkRz|> OzLb
"DL? WuMxI>?Hf7
(kXEYI*Ij;":9!Ok*|?Aotx"* y`܍(yzzBD@{^2
F_`o
d@nF&dIJ܉MM?|f4c8x
`.Ň(E" `k)g3%aN