xem xét chỗ sai
Câu
$1
$: Khử hoàn toàn
$40
$ gam hỗn hợp gồm sắt
$(III)
$ oxit và đồng oxit bằng
$CO
$ ở nhiệt độ thích hợp. Sau phản ứng thu được
$2,96
$ gam kim loại. Tính thể tích khí
$CO
$ (đktc) cần thiết. viết pthh $\Rightarrow \begin{cases}160x+80y=40 \\ 112x+64y= 2,96\end{cases}\Rightarrow \begin{cases}x= 1,815\\ y= -3,13\end{cases}$ sai chỗ nào giúp với.
Cacbon Silic
xem xét chỗ sai
Câu style="font-size:12.0pt;mso-bidi-font-size:
11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:
Calibri;color:black;letter-spacing:.3pt;mso-no-proof:yes"> 1: Khử style="font-size:12.0pt;mso-bidi-font-size:
11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:
Calibri;color:black;letter-spacing:.2pt;mso-no-proof:yes"> hoàn style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;color:black;
letter-spacing:.2pt;mso-no-proof:yes"> toàn style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.2pt;
mso-no-proof:yes"> 40 gam style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.25pt;
mso-no-proof:yes"> hỗn style="font-size:12.0pt;mso-bidi-font-size:
11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:
Calibri;color:black;letter-spacing:.2pt;mso-no-proof:yes"> hợp style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;color:black;
letter-spacing:.35pt;mso-no-proof:yes"> gồm style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;color:black;
letter-spacing:.25pt;mso-no-proof:yes"> sắt style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;color:black;
letter-spacing:.25pt;mso-no-proof:yes"> (III) style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;font-family:"Times New Roman","serif";color:black;
mso-no-proof:yes">oxit style="font-size:12.0pt;mso-bidi-font-size:
11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:
Calibri;color:black;letter-spacing:.25pt;mso-no-proof:yes"> và style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.2pt;
mso-no-proof:yes"> đồng style="font-size:12.0pt;mso-bidi-font-size:
11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:
Calibri;color:black;letter-spacing:.1pt;mso-no-proof:yes"> oxit style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.25pt;
mso-no-proof:yes"> bằng style="font-size:12.0pt;mso-bidi-font-size:
11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:
Calibri;color:black;letter-spacing:.1pt;mso-no-proof:yes"> CO ở style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.25pt;
mso-no-proof:yes"> nhiệt style="font-size:12.0pt;mso-bidi-font-size:
11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:
Calibri;color:black;letter-spacing:.25pt;mso-no-proof:yes"> độ style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;color:black;
letter-spacing:.2pt;mso-no-proof:yes"> thích style="font-size:
12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.2pt;
mso-no-proof:yes"> hợp. style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;color:black;
letter-spacing:.6pt;mso-no-proof:yes"> Sau style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.2pt;
mso-no-proof:yes"> phản n style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:"Times New Roman","serif";
color:black;mso-no-proof:yes">ứng
class="MsoNormal" style="margin-top:0in;margin-right:0in;margin-bottom:0in;
margin-left:8.1pt;margin-bottom:.0001pt;line-height:17.25pt;mso-line-height-rule:
exactly"> style="font-size:12.0pt;mso-bidi-font-size:11.0pt;font-family:
"Times New Roman","serif";color:black;letter-spacing:-.05pt;mso-no-proof:yes">thu được style="font-size:12.0pt;mso-bidi-font-size:
11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:
Calibri;color:black;letter-spacing:.2pt;mso-no-proof:yes"> 2,96 gam style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.25pt;
mso-no-proof:yes"> kim loại. style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;color:black;
letter-spacing:.2pt;mso-no-proof:yes"> Tính style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.2pt;
mso-no-proof:yes"> thể style="font-size:12.0pt;mso-bidi-font-size:
11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:
Calibri;color:black;letter-spacing:.2pt;mso-no-proof:yes"> tích style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;color:black;
letter-spacing:.2pt;mso-no-proof:yes"> khí style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.25pt;
mso-no-proof:yes"> CO (đktc) style="font-size:12.0pt;mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;
mso-hansi-font-family:Calibri;mso-bidi-font-family:Calibri;color:black;
letter-spacing:.2pt;mso-no-proof:yes"> cần style="font-size:12.0pt;
mso-bidi-font-size:11.0pt;mso-ascii-font-family:Calibri;mso-hansi-font-family:
Calibri;mso-bidi-font-family:Calibri;color:black;letter-spacing:.2pt;
mso-no-proof:yes"> thiết. style="margin-top:0in;margin-right:0in;margin-bottom:0in;
margin-left:8.1pt;margin-bottom:.0001pt;line-height:17.25pt;mso-line-height-rule:
exactly">viết pthh $\Rightarrow \begin{cases}160x+80y=40 \\ 112x+64y= 2,96\end{cases}\Rightarrow \begin{cases}x= 1,815\\ y= -3,13\end{cases}$ sai chỗ nào giúp với.
Cacbon Silic
xem xét chỗ sai
Câu
$1
$: Khử hoàn toàn
$40
$ gam hỗn hợp gồm sắt
$(III)
$ oxit và đồng oxit bằng
$CO
$ ở nhiệt độ thích hợp. Sau phản ứng thu được
$2,96
$ gam kim loại. Tính thể tích khí
$CO
$ (đktc) cần thiết. viết pthh $\Rightarrow \begin{cases}160x+80y=40 \\ 112x+64y= 2,96\end{cases}\Rightarrow \begin{cases}x= 1,815\\ y= -3,13\end{cases}$ sai chỗ nào giúp với.
Cacbon Silic