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Essay Details:
Essay text:
If the alkali is strong then it ionises fully in solution.
NaOH ?a Na+ + OH-
When the acid H+ reacts with the alkali OH- the solution neutralises.
Prediction:
If the acid has been diluted there will be less H+ ions present in the volume used. Therefore to cancel the alkali more acid will be required. This is on the assumption that the alkali volume and concentration stay constant.
Method:
· Measure 10cm3 of 0.1m alkali into a measuring cylinder then place the solution into a 75cm3 conical flask.
· Then add 2-3 drops of indicator to the alkali (it will go purple in colour)
· Measure out 50 cm3 of the vinegar into a measuring cylinder and then place into a glass beaker...
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