2 A student investigated the temperature change that took place when different salts were dissolved in water - Edexcel - GCSE Chemistry - Question 2 - 2023 - Paper 2
Question 2
2 A student investigated the temperature change that took place when different salts were dissolved in water.
The student used the following method.
step 1 pour 50... show full transcript
Worked Solution & Example Answer:2 A student investigated the temperature change that took place when different salts were dissolved in water - Edexcel - GCSE Chemistry - Question 2 - 2023 - Paper 2
Step 1
find the mass of an empty boiling tube
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Answer
The mass of the empty boiling tube is given as 22.52 g.
Step 2
add 2 spatula measures of a salt to the boiling tube and find its new mass
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Answer
After adding the salt, the new mass of the boiling tube and salt combined is 24.16 g.
Step 3
calculate the mass of salt
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Answer
To calculate the mass of the salt, subtract the mass of the empty boiling tube from the mass of the boiling tube with salt:
