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1ï¼å¯¹äº MA æ²æ·ï¼ MA == [M+] [A-] s = [M+] = [A-] = (Ksp)^1/2
2) å¯¹äº MmAn æ²æ·ï¼ [M ^n+]^m [A ^m--]^n = Ksp
s = [M ^n+]/m = [A ^m--]/n =={ Ksp /(m ^m)(n^n)} ^(m+n)