化学平衡的近似计算

游丹, 蔡殿红, 程清蓉

Approximate Calculation of Chemical Equilibrium

Dan You, Dianhong Cai, Qingrong Cheng

图1 逼近计算结果c(H+)m、逼近次数(m)与准确值c(H+)的关系 c(H+)m和c(H+)单位：mol∙L?1；$ c({\text{H}}^{\text{+}})/{c}^{?}\text{ = }-\frac{c({\text{A}}^{-})/{c}^{?}+{K}_{}^{?}(\text{HA})}{2}\text{ + }\sqrt{\frac{(c({\text{A}}^{-})/{c}^{?}+{K}_{}^{?}(\text{HA}){)}^{2}}{4}+{K}_{}^{?}(\text{HA})\cdot c(\text{HA})/{c}^{?}} $