g Na2PO3F (molar mass Na2PO3F) → mol Na2PO3F (mole-to-mole comparison) → mol F (molar mass F) → mass F
A tube of toothpaste contains 0.76 g of sodium monofluorophosphate (Na2PO3F) in 100 mL.
(a) What mass of fluorine atoms in mg was present?
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