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Analysing Soft Drinks Introduction Soft drinks contain acid and sugar. These substances contribute to tooth decay and therefore are a cause for concern. In the first part of the investigation we'll measure the acidity in blackcurrant juice. Labels on black currant juice drinks usually state citric acid is present in the drink, but it doesn't give you the amount of how much it contains. Dilutable soft drinks contain between 0.15 - 2.5% of citric acid research by The British Drinks Association and therefore the second part of the experiment would be to determine the concentrations of blackcurrant juice in the diluted samples. Investigation 1: Measure the acidity of the blackcurrant juice drink In order to measure the acidity of the blackcurrant juice, I'll titrate black current juice with 0.1mol of sodium hydroxide and use a pH meter to measure its pH. Technique The technique of this experiment is titration. It is a method of chemical analysis, which...

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