Thank you for your video on periodically cleaning washer. It is very informative and educational. You're correct that the solubility of baking soda in water are low (6.9 g/100 ml @ 0 C to 23.6 g/100 ml @ 100 C). Baking soda is used as mild abrasive for cleaning and reduce odors. people needs to careful about mixing chemicals (DIY) at home.
您这里说的小苏打是baking soda吧? The solvation energy released by the hydration of bicarbonate & sodium ions is more than enough to separate the ions. That is how ionic solids dissolve in water. In addition, sodium bicarbonate, otherwise known as baking soda, is extremely soluble in water.您这个小苏打不溶于水是自己拍脑子想的吗? 最简单的办法就是你自己试一试吧。我刚试了一下,结果我放入水中小苏打全部溶解了。除非你这里说的小苏打不是baking soda.