——Mr Li, I can't understand everything in class.——Don't worry! I'll _____ _ the main points at the end.
A:record
B:review
C:require
D:remember
侯氏制碱法的主要反应如下:
①NH3+CO2+H2O═NH4HCO3
②NH4HCO3+NaCl═NH4Cl+NaHCO3
某温度下,向105g饱和NaCl溶液中,通入适量氨气(NH3)和CO2,通过上述反应可制得NaHCO3晶体.
(1)已知①中参加反应的NH3质量为3.4g,则消耗CO2的质量是多少?
(2)反应后称量溶液中析出NaHCO3晶体的质量为9.7g,则剩余溶液的质量是多少?