1. I added some salt to the mixture.
2. I added a spoon of salt to the mixture.
3. I added a spoonful of salt to the mixture.
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Are they all grammatical? Would you check the expressions before 'salt'?
2. I added a spoon of salt to the mixture.
3. I added a spoonful of salt to the mixture.
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Are they all grammatical? Would you check the expressions before 'salt'?