Gráfico Quali

Gráfico de flood para sistemas ácido e básico forte
Dados


Fixos

Kw = 1 . 10-14


Variáveis

Ácido pCa = varredura
Ca = 10-pCa
[H3O+] = Ca + Kw/[H3O+] pH = - log[H3O+]

Base pCa = varredura
Ca = 10-pCa
[OH-] = Cb + Kw/[OH-] pOH = - log [OH-] pH = 14 – pOH

Resultados



Tabela 1: Ácido Forte

pCa

Ca

[H3O+]1 pH1

[H3O+]2

pH2

1

1,00E-01

1,00E-01

1

1,00E-01

1

2

1,00E-02

1,00E-02

2

1,00E-02

2

3

1,00E-03

1,00E-03

3

1,00E-03

3

4

1,00E-04

1,00E-04

4

1,00E-04

4

5

1,00E-05

1,00E-05

5

1,00E-05

4,999957

6

1,00E-06

1,00E-06

6

1,01E-06

5,995679

6,1

7,94E-07

7,94E-07

6,1

8,07E-07

6,093171

6,2

6,31E-07

6,31E-07

6,2

6,47E-07

6,189226

6,3

5,01E-07

5,01E-07

6,3

5,21E-07

6,283046

6,4

3,98E-07

3,98E-07

6,4

4,23E-07

6,373428



Tabela 2: Base Forte

pCa
1

1,00E-01

1

1,00E-01

13

2

1,00E-02

2

1,00E-02

3

1,00E-03

3

4

1,00E-04

5

pOH2

pH2

1,00E-01

1

13

12

1,00E-02

2

12

1,00E-03

11

1,00E-03

3

11

4

1,00E-04

10

1,00E-04

4

10

1,00E-05

5

1,00E-05

9

1,00E-05

4,999957

9,000043

6

1,00E-06

6

1,00E-06

8

1,01E-06

5,995679

8,004321

6,1

7,94E-07

6,1

7,94E-07

7,9

8,07E-07

6,093171

7,906829

6,2

6,31E-07

6,2

6,31E-07

7,8

6,47E-07

6,189226

7,810774

6,3

5,01E-07

6,3

5,01E-07

7,7

5,21E-07

6,283046

7,716954

6,4

pOH1 [OH-]1 pH1 [OH-]2

3,98E-07

6,4

3,98E-07

7,6

4,23E-07

6,373428

7,626572

Gráfico de flood
14

12

10

8

pH



Ca

ácido 1
Ácido

6

Base base1 4

2

0
0

1

2

3

4

pCa

5

6

7

Análise dos resultados
 Primeira aproximação
Consideração Ca >>>> Kw/[H3O+]
[H3O+]1 = Ca

