Análise de Alimentos - Curva de pH

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Plan1
	Dados			Derivada da Primeira			Derivada da Segunda 
	NaOH (mL)	pH		 média mL de NaOH 	^ pH/^mL		 média mL de NaOH 	^ pH/^mL
	0.0	3.44
				0.25	0.46						Qual a acidez do produto espressa em normalidade?
	0.5	3.67					0.50	- 0.32			Nác.Vác=Nbase.Vbase
				0.75	0.30						Nác.40mL=0,095N.10,75mL
	1.0	3.82					1.00	0.00			Nác=0,025N
				1.25	0.30						Quantidade de ácido presente no refrigerante?
	1.5	3.97					1.50	- 0.04			0,025N.0,04L=mác/(MM/n(mols)
				1.75	0.28						0,025N.0,04L=mác/(193/3)
	2.0	4.11					2.00	- 0.00			massa de ácido presente na amostra = 0,064 em 40mL, em 100 mL 0,16g de ácido, ou seja, 0,16% m/v
				2.25	0.28
	2.5	4.25					2.50	- 0
				2.75	0.28
	3.0	4.39					3.00	- 0.04
				3.25	0.26
	3.5	4.52					3.50	0.04
				3.75	0.28
	4.0	4.66					4.00	- 0.04
				4.25	0.26
	4.5	4.79					4.50	0.08
				4.75	0.30
	5.0	4.94					5.00	0.04
				5.25	0.32
	5.5	5.10					5.50	0.08
				5.75	0.36
	6.0	5.28					6.00	- 0.12
				6.25	0.30
	6.5	5.43					6.50	0.16
				6.75	0.38
	7.0	5.62					7.00	- 0.08
				7.25	0.34
	7.5	5.79					7.50	- 0
				7.75	0.34
	8.0	5.96					8.00	0.08
				8.25	0.38
	8.5	6.15					8.50	0.12
				8.75	0.44
	9.0	6.37					9.00	0.16
				9.25	0.52
	9.5	6.63					9.50	0.56
				9.75	0.80
	10.0	7.03					10.00	2.52
				10.25	2.06
	10.5	8.06					10.50	1.12
	10.75	X=8,71		10.75	2.62
	11.0	9.37					11.00	- 3.24
				11.25	1.00
	11.5	9.87					11.50	- 0.88
				11.75	0.56
	12.0	10.15					12.00	- 0.32
				12.25	0.40
	12.5	10.35					12.50	- 0.24
				12.75	0.28
	13.0	10.49					13.00	- 0.12
				13.25	0.22
	13.5	10.60					13.50	- 0.04
				13.75	0.20
	14.0	10.70					14.00	- 0.08
				14.25	0.16
	14.5	10.78
	15.0	10.84
	15.5	10.90
	16.0	10.96
pH	0	0.5	1	1.5	2	2.5	3	3.5	4	4.5	5	5.5	6	6.5	7	7.5	8	8.5	9	9.5	10	10.5	10.75	11	11.5	12	12.5	13	13.5	14	14.5	3.44	3.67	3.82	3.97	4.1100000000000003	4.25	4.3899999999999997	4.5199999999999996	4.66	4.79	4.9400000000000004	5.0999999999999996	5.28	5.43	5.62	5.79	5.96	6.15	6.37	6.63	7.03	8.06	0	9.3699999999999992	9.8699999999999992	10.15	10.35	10.49	10.6	10.7	10.78	
^ pH/^mL	0.25	0.75	1.25	1.75	2.25	2.75	3.25	3.75	4.25	4.75	5.25	5.75	6.25	6.75	7.25	7.75	8.25	8.75	9.25	9.75	10.25	10.75	11.25	11.75	12.25	12.75	13.25	13.75	14.25	0.45999999999999996	0.29999999999999982	0.30000000000000071	0.28000000000000025	0.27999999999999936	0.27999999999999936	0.25999999999999979	0.28000000000000114	0.25999999999999979	0.30000000000000071	0.31999999999999851	0.36000000000000121	0.29999999999999893	0.38000000000000078	0.33999999999999986	0.33999999999999986	0.38000000000000078	0.4399999999999995	0.51999999999999957	0.80000000000000071	2.0600000000000005	2.6199999999999974	1	0.56000000000000227	0.39999999999999858	0.28000000000000114	0.21999999999999886	0.19999999999999929	0.16000000000000014	
^ pH/^mL	0.5	1	1.5	2	2.5	3	3.5	4	4.5	5	5.5	6	6.5	7	7.5	8	8.5	9	9.5	10	10.5	11	11.5	12	12.5	13	13.5	14	-0.32000000000000028	1.7763568394002505E-15	-4.0000000000000924E-2	-1.7763568394002505E-15	0	-3.9999999999999147E-2	4.00000000000027E-2	-4.00000000000027E-2	8.0000000000001847E-2	3.9999999999995595E-2	8.00000000000054E-2	-0.12000000000000455	0.16000000000000369	-8.0000000000001847E-2	0	8.0000000000001847E-2	0.11999999999999744	0.16000000000000014	0.56000000000000227	2.5199999999999996	1.1199999999999939	-3.2399999999999949	-0.87999999999999545	-0.32000000000000739	-0.23999999999999488	-0.12000000000000455	-3.9999999999999147E-2	-7.9999999999998295E-2