• 2022-07-22
    [tex=6.357x1.214]rkWrLaXxROQBQgW37W0bBw==[/tex]饱和溶液的质量为 12.003 g, 将其蒸干后得 NaCl 3.173 g,计算。溶液的质量分数。[br][/br]