Thinking and Investigating 1. A student found that two indigestion remedies neutralised different volumes of the same
acid. They found that: One tablet of remedy A neutralised a very large volume of acid and produced a large volume of carbon dioxide gas. One tablet of remedy B neutralised a smaller volume of the acid and produced a smaller volume of carbon dioxide gas.
l l
SL Explain which indigestion remedy you would recommend and why.
2. A titration was used to find the volume of hydrochloric acid needed to neutralise 25 cm3 of sodium hydroxide. A group of students obtained these results: 12.5 cm3 11.4 cm3
, 15 cm3 their teacher suggested this?
3. Choose two indigestion remedies that can be bought in a pharmacy. Find out what base is used in each.
