SOLUTION: it is obvious that sodium is very reactive metal .Therefore it can react with water too .My question is this that our toothpaste also contains sodium ,so why they do not react with

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Question 1000361: it is obvious that sodium is very reactive metal .Therefore it can react with water too .My question is this that our toothpaste also contains sodium ,so why they do not react with our inner mouth.
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!
No longer the same. Sodium as the metal is different from sodium cation. The cation already reacted and is stable that way.
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