一道化学题,只要过程,各位大虾帮忙想一想!!!!!!!!!

2024-11-29 11:28:41
推荐回答(1个)
回答1:

设:生成NaCl质量为X.
Na2Co3+2HCl=2NaCl+H2O+CO2
---------------117-------44
----------------X-------2.2g
117/X =44/2.2g
X=117×2.2g÷44=5.85g
5.85g/(50+9.3-2.2)≈0.10245