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a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains _____ moles of ammonium ions?

  • chem -

    grams/molar mass = moles (NH4)2CO3. Then there are two MH4^+ per molecule of (NH4)2CO3.

  • chem -

    it contains 0.288ol of ammonium ions

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