Calculos Practica 3.docx

Tabla de datos experimentales ÁCIDO FUERTE – BASE FUERTE V(ml)

C(µS)

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14

52630 44230 36750 30170 24740 19650 15570 11600 8707 9819 11200 12550 13540 14570 15560

Grafica de titulación conductimétrica Acido fuerte- Base fuerte 60000 50000

C (us)

40000 30000 20000 10000

0 0

2

4

6

8 Volumen (ml)

10

12

14

16

ÁCIDO DEBIL – BASE FUERTE V(ml) 0 1 2 3 4 5 6 7 8 9 10 11

C(µS) 744.5 1220 2151 2960 3668 4295 4749 5247 5559 5910 6195 6585

V(ml) 12 13 14 15 16 17 18 19 20 21 23 24

C(µS) 6751 6961 7129 7338 7765 8545 10280 11190 11970 12860 14170 14930

Grafica de titulación conductimétrica Acido debil- Base fuerte 18000 16000 14000

C (uS)

12000 10000 8000 6000 4000 2000 0 0

5

10

15 Volumen (ml)

20

25

30

CÁLCULOS

ÁCIDO FUERTE – BASE FUERTE Relación volumétrica V1N1=V2N2

10 𝑚𝐿 ∗ 0.1948 𝑉2 ∗ 𝑁2 𝑁1 = = 𝑉1 10 𝑚𝐿

𝑔 − 𝑒𝑞 𝐿 = 𝟎. 𝟏𝟗𝟒𝟖 𝑵

Cálculo de las resistencias 𝑪= 𝑅0 =

𝟏 𝟏 ∴𝑹= 𝑹 𝑪

1 = 19.0005Ω 0.05263𝑆

De la constante de la celda 𝑲= 𝐴=

𝑳 𝑳 ∴𝑨= 𝑨 𝑲

1𝑐𝑚 = 𝟏𝒄𝒎𝟐 1𝑐𝑚−1

Cálculo de la conductancia específica 𝒌= 𝑘0 =

𝑲 = 𝛀−𝟏 𝒄𝒎−𝟏 𝑹

1𝑐𝑚−1 −1 = 0.05263Ω 𝑐𝑚−1 19.0005Ω

Cálculo de la conductancia equivalente ∆=

𝟏𝟎𝟎𝟎∗𝒌 𝑵

=𝛀−𝟏 𝒄𝒎−𝟏 𝒆𝒒𝒗−𝟏

(1000)(0.05263Ω−1 𝑐𝑚−1 ) −1 ∆0 = = 270.1745Ω 𝑐𝑚−1 𝑒𝑞𝑣 −1 𝑒𝑞 − 𝑔 0.1948 𝐿

ÁCIDO DEBIL – BASE FUERTE Relación volumétrica V1N1=V2N2

10 𝑚𝐿 ∗ 0.1948 𝑉2 ∗ 𝑁2 𝑁1 = = 𝑉1 10 𝑚𝐿

𝑔 − 𝑒𝑞 𝐿 = 𝟎. 𝟏𝟗𝟒𝟖 𝑵

Cálculo de las resistencias 𝑪= 𝑅0 =

𝟏 𝟏 ∴𝑹= 𝑹 𝑪

1 = 1343.1833Ω 0.0007445𝑆

De la constante de la celda 𝑲= 𝐴=

𝑳 𝑳 ∴𝑨= 𝑨 𝑲

1𝑐𝑚 = 𝟏𝒄𝒎𝟐 1𝑐𝑚−1

Cálculo de la conductancia específica 𝒌= 𝑘0 =

𝑲 = 𝛀−𝟏 𝒄𝒎−𝟏 𝑹

1𝑐𝑚−1 −1 = 0.0007445Ω 𝑐𝑚−1 1343.1833Ω

Cálculo de la conductancia equivalente ∆=

𝟏𝟎𝟎𝟎∗𝒌 𝑵

=𝛀−𝟏 𝒄𝒎−𝟏 𝒆𝒒𝒗−𝟏

(1000)(0.0007445Ω−1 𝑐𝑚−1 ) −1 ∆0 = = 3.8219Ω 𝑐𝑚−1 𝑒𝑞𝑣 −1 𝑒𝑞 − 𝑔 0.1948 𝐿

Tabla de resultados

ÁCIDO FUERTE – BASE FUERTE

C (µS)

V (ml) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14

52630 44230 36750 30170 24740 19650 15570 11600 8707 9819 11200 12550 13540 14570 15560

C (s) 0.05263 0.04423 0.03675 0.03017 0.02474 0.01965 0.01557 0.0116 0.008707 0.009819 0.0112 0.01255 0.01354 0.01457 0.01556

R (Ω) 19.00057 22.6090889 27.2108844 33.1455088 40.4203719 50.8905852 64.2260758 86.2068966 114.850121 101.843365 89.2857143 79.6812749 73.8552437 68.6341798 64.2673522

𝑲 ∆ 𝛀−𝟏 𝒄𝒎−𝟏 𝛀−𝟏 𝒄𝒎−𝟏 𝒆𝒒𝒗−𝟏 0.05263 270.174538 0.04423 227.053388 0.03675 188.655031 0.03017 154.876797 0.02474 127.002053 0.01965 100.87269 0.01557 79.9281314 0.0116 59.5482546 0.008707 44.6971253 0.009819 50.4055441 0.0112 57.4948665 0.01255 64.4250513 0.01354 69.5071869 0.01457 74.7946612 0.01556 79.8767967

ÁCIDO DEBIL – BASE FUERTE

C (µS)

V (ml) 0 1 2 3 4 5 6 7 8 9

744.5 1220 2151 2960 3668 4295 4749 5247 5559 5910

C (s)

R (Ω)

0.0007445 0.00122 0.002151 0.00296 0.003668 0.004295 0.004749 0.005247 0.005559 0.00591

1343.18334 819.672131 464.900046 337.837838 272.628135 232.828871 210.570646 190.585096 179.888469 169.204738

𝑲 ∆ 𝛀−𝟏 𝒄𝒎−𝟏 𝛀−𝟏 𝒄𝒎−𝟏 𝒆𝒒𝒗−𝟏 0.0007445 3.8219 0.00122 6.2628 0.002151 11.0421 0.00296 15.1951 0.003668 18.8296 0.004295 22.0483 0.004749 24.3789 0.005247 26.9353 0.005559 28.5370 0.00591 30.3388

10 11 12 13 14 15 16 17 18 19 20 21 23 24

6195 6585 6751 6961 7129 7338 7765 8545 10280 11190 11970 12860 14170 14930

0.006195 0.006585 0.006751 0.006961 0.007129 0.007338 0.007765 0.008545 0.01028 0.01119 0.01197 0.01286 0.01417 0.01493

161.4205 151.860289 148.126204 143.65752 140.272128 136.276915 128.783001 117.027501 97.2762646 89.3655049 83.5421888 77.7604977 70.5716302 66.9792364

0.006195 0.006585 0.006751 0.006961 0.007129 0.007338 0.007765 0.008545 0.01028 0.01119 0.01197 0.01286 0.01417 0.01493

31.8018 33.8039 34.6561 35.7341 36.5965 37.6694 39.8614 43.8655 52.7721 57.4435 61.4476 66.0164 72.7413 76.6427