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Who's Cheating on the Vinegar?
Member rating: No Rating | Words: | Submitted: Mon Dec 15 2003
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Who's Cheating on the Vinegar? Aim: To find out if chip shop A, B, or C is watering down it's vinegar Predictions: There has to be different levels of acidity in vinegar whether the shop owner watered it down or the amount of alkali is too high, and because the equations are - CH3COOH+NaOH(aq) CH3COONa(aq)+H2O(l) Ethanoic + Sodium Sodium + water Acid hydroxide Ethanoite The vinegar to be neutralized there will have to be more sodium hydroxide in the solution to neutralize it because it is an alkali. This is the equation gives phenolphthalein, In this investigation, I am going to be finding out and investigating one of the five factors, which affects the concentration of vinegar: volume of sodium hydroxide (base solution). Variables: Key: Alter=change Green Tick = stay the same> Concentration of vinegar -alter * Volume of vinegar * Amount of indicator * Concentration of sodium hydroxide> Volume of sodium hydroxide- alter Concentration of vinegar - if there...
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