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Titration is used to carry out some neutralisation reactions - Edexcel - GCSE Chemistry - Question 7 - 2023 - Paper 1

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Titration is used to carry out some neutralisation reactions. (a) Ammonium nitrate can be made by neutralisation. (i) State the name of the two reactants that are ... show full transcript

Worked Solution & Example Answer:Titration is used to carry out some neutralisation reactions - Edexcel - GCSE Chemistry - Question 7 - 2023 - Paper 1

Step 1

State the name of the two reactants that are neutralised to make the salt ammonium nitrate.

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Answer

The two reactants that are neutralised to make ammonium nitrate are ammonium hydroxide (or ammonia solution) and nitric acid.

Step 2

Which elements are combined in ammonium phosphate?

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Answer

The correct answer is D: hydrogen, nitrogen, oxygen and phosphorus only.

Step 3

Calculate the volume of solution added from this burette.

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Answer

To find the volume of solution added, subtract the start reading from the end reading:

extVolumeadded=extEndreadingextStartreading=28extcm32extcm3=26extcm3 ext{Volume added} = ext{End reading} - ext{Start reading} = 28 ext{ cm}^3 - 2 ext{ cm}^3 = 26 ext{ cm}^3

Thus, the volume of solution added is 26.0 cm³.

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