申論 3某一地表水的一組水質分析結果如下：Ca2+ = 60.0 mg/L; Mg2+ = 24.3 mg/L; Na+ = 23.0 mg/L; K+ = 3.9 mg/L;HCO= 183.0 mg/L; CO= ND; SO= 48.0 mg/L; Cl= 17.7 mg/L; pH = 7.01，-2- ++請以水質鹼度與硬度之比較結果，查核Cl, SO, Na, K檢測值間之關聯性是否合理？（Ca = 40.0; Mg = 24.3; Na = 23.0; K = 39.0; S = 32.0; C = 12.0; Cl = 35.5）（20 分）