化学平衡的近似计算
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游丹, 蔡殿红, 程清蓉
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Approximate Calculation of Chemical Equilibrium
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Dan You, Dianhong Cai, Qingrong Cheng
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表1 甲酸和甲酸钠混合溶液中Er1与逼近次数的关系
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c(HCOO?)/
(mol·L?1) | c(HCOOH)/ (mol·L?1) | c(H+)0/(mol·L?1) | c(H+)1/(mol·L?1) | Er1/% | c(H+) ①/(mol·L?1) | c(H+)m/(mol·L?1) | Erm/% | Er/% | | 0.00050 | 0.0010 | 3.6 × 10?4 | 1.340 × 10?4 | 168.7 | 2.037 × 10?4 | 2.073 × 10?4 (6) | ?4.9 (6) | 1.8 (6) | | 0.0010 | 0.0010 | 1.8 × 10?4 | 1.251 × 10?4 | 43.9 | 1.367 × 10?4 | 1.358 × 10?4 (3) | ?3.1 (3) | ?0.7 (3) | | 0.0050 | 0.0010 | 3.6 × 10?5 | 3.446 × 10?5 | 4.5 | 3.452 × 10?5 | | | ?0.2 (1) | | 0.0010 | 0.10 | 1.8 × 10?2 | 7.768 × 10?4 | 2217 | 3.693 × 10?3 | 3.630 × 10?3 (23) | 3.9 (23) | ?1.7 (23) | | 0.0050 | 0.10 | 3.6 × 10?3 | 2.018 × 10?3 | 78.4 | 2.381 × 10?3 | 2.336 × 10?3 (3) | 7.6 (3) | ?1.9 (3) | | 0.010 | 0.10 | 1.8 × 10?3 | 1.498 × 10?3 | 20.2 | 1.536 × 10?3 | 1.542 × 10?3 (2) | ?2.9 (2) | 0.4 (2) | | 0.0050 | 0.50 | 1.8 × 10?2 | 3.772 × 10?3 | 377.2 | 7.244 × 10?3 | 7.372 × 10?3 (8) | ?4.5 (8) | 1.8 (8) | | 0.0250 | 0.50 | 3.6 × 10?3 | 3.124 × 10?3 | 15.2 | 3.174 × 10?3 | | | ?1.6 (1) | | 0.050 | 0.50 | 1.8 × 10?3 | 1.731 × 10?3 | 4.0 | 1.734 × 10?3 | | | ?0.2 (1) |
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