A toothpaste contains 0.220 % by mass sodium fluoride used to prevent dental caries and 0.32 % by mass triclosan C12H7Cl3O2, an antigingivitis agent. One tube contains 119 g of toothpaste.

How many fluoride ions, F−, are in the tube of toothpaste?
How many grams of sodium ion, Na+, are in 1.70 g of toothpaste?
How many molecules of triclosan are in the tube of toothpaste?

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