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pH  (25¡æ)        X  (mL)     
7.10              45.7         
7.20              44.7        
7.30              43.4        
7.40              42.0        
7.50              40.3        
7.60              38.5        
7.70              36.6        
7.80              34.5        
7.90              32.0        
8.00              29.2     
8.10              26.2
8.20              22.9        
8.30              19.9
8.40              17.2
8.50              14.7
8.60              12.4
8.70              10.3
8.80              8.5
8.90              7.0

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