Experiment 9

Quantitative Analysis 4 : 

Aim : To determine the acid content of different brands of vinegar .

You are given three different brands of commercial vinegar . All are labeled 5% .
The vinegars are diluted 1 in 10 . That is 10ml was made up to 100 ml with 
distilled  water . Using a 0.1 molar solution of alkali determine if the 
labeling is true .

Assuming the following :

Brand A = 28.3 ml contained 0.0025 moles of the diluted acid
Brand B = 31.6 ml contained 0.0025 moles of the diluted acid
Brand C = 35.6 ml contained 0.0025 moles of the diluted acid

Calculate the acid content of the commercial vinegar .

Experiment will be written up as :
Aim :
Apparatus :
Method :
Calculation :
Discussion :

THIS EXPERIMENT WILL NOT BE DONE !!!

SKILL ASSESSED : PLANNING & DESIGNING

Method
	clearly explained	2 mks
	suitability		2 mks
Calculations		3 mks
Discussion			3 mks