C1

Absorbancia

1 1.5 0.22 3 0.2063 4.5 0.2624 6 0.3265 7.5 0.3956 9 0.454

Numero de tubo de ensayo

Concentración

Fe3+(ac) + SCN- (ac) <-> FeSCN2+

(ac)

1 2 3 4 5 6 7 8 9 100

0.050.1

0.150.2

0.250.3

0.350.4

0.450.5

f(x) = 0.0362095238095238 x + 0.117066666666667R² = 0.966976151156988

Curva de calibracion FeSCN2+

Concentración FeSCN2+ (x 10-5)

Abso

rban

cia

1 2 3 4 5 6 7 8 9 100

0.050.1

0.150.2

0.250.3

0.350.4

0.450.5

f(x) = 0.0362095238095238 x + 0.117066666666667R² = 0.966976151156988

Curva de calibracion FeSCN2+

Concentración FeSCN2+ (x 10-5)

Abso

rban

cia

Inicial 0

Cambio

Equilibrio

Kf

Fe3+(ac) + SCN- (ac) <-> FeSCN2+

(ac)

6,0 x 10-4 9,0 x 10-4

4,3888 x 10-5 4,3888 x 10-5 4,3888 x 10-5

5,6 x 10-4 8,6 x 10-4 4,3888 x 10-5

Kf =

Kf =

Kf =

91.13

9,1 x 10

4,3888 x 10-5

5,6 x 10-4 X 8,6 x 10-4