❶ 宸茬煡0.1鎽╁皵姣忓崌镄勭～閰搁挔鍜0.3鎽╁皵姣忓崌镄勬隘鍖栭挕婧舵恫绛変綋绉娣峰悎,姹傜诲瓙寮哄害
1銆佹眰绂诲瓙寮哄害镄勫叕寮
I = 1/2 危ci Z ^2
2銆佽＄畻
绛変綋绉娣峰悎锛鐗╄川镄勯噺娴揿害鍑忓崐锛屾憾娑蹭腑瀛桦湪Na+锛孲O4 2-锛孋l- 锛 Ba2+
鍒嗗瓙缁勬垚涓猴细Na2SO4 (0.05mol/L)锛孊aCl2(0.15 mol/L)
I = 1/2(0.05 *2 *1 + 0.05*2^2 + 0.15*2^2 + 0.15*2*1)
绠楀嚭缁撴灉鍗冲彲銆