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7 May, 12:04

The formula for magnesium carbonate is mgco3. what is the charge of the cation in ag2co3?

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  1. 7 May, 12:15
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    The formula for magnesium carbonate is MgCO₃

    Now, Mg belongs to group IIA in the periodic table and is a divalent cation

    Since the molecule, MgCO₃ is neutral, the corresponding charge on the carbonate anion should be - 2

    i. e. we have: Mg²⁺ and CO₃²⁻

    Now in Ag₂CO₃, Ag and CO₃ combine in the ratio 2:1

    We know that the charge on carbonate ion is - 2.

    i. e. 2 (Ag cation charge) + 1 (CO3 anion charge) = 0

    2 (Ag cation) + 1 (-2) = 0

    Ag charge = 2/2 = + 1

    Therefore, charge on Ag cation = + 1
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