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

表4 Cu2+和HCN混合溶液中Er1与逼近次数关系

c(Cu2+)/(mol?L?1) c(HCN)/(mol?L?1) x0/(mol?L?1) x1/(mol?L?1) Er1/% xm/(mol?L?1) Erm/% 0.0020 0.20 1.299 × 10?3 1.031 × 10?3 26.0 1.086×10?3 (3) 1.7 (3) 0.0080 0.20 1.714 × 10?3 1.588 × 10?3 7.9 1.598×10?3 (2) ?0.63 (2) 0.010 0.20 1.792 × 10?3 1.673 × 10?3 7.1 1.681×10?3 (2) ?0.48 (2) 0.0050 0.40 2.716 × 10?3 2.271 × 10?3 19.6 2.345×10?3 (3) 0.72 (3) 0.010 0.40 3.120 × 10?3 2.822 × 10?3 10.6 2.853×10?3 (2) ?1.1 (2) 0.080 0.40 4.729 × 10?3 4.494 × 10?3 5.2 4.505×10?3 (2) ?0.24 (2) 0.025 0.80 6.524 × 10?3 5.980 × 10?3 9.1 6.029×10?3 (2) ?0.81 (2) 0.050 0.80 7.494 × 10?3 7.036 × 10?3 6.5 7.065×10?3 (2) ?0.40 (2) 0.40 0.80 0.01136 0.01078 5.4 0.01081 (2) ?0.28 (2)