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In a certain electrolysis experiment 0.7...

In a certain electrolysis experiment 0.79 g of Ag was deposited in one cell containing aqueous `AgNO_3` solution, while 0.231 g of an unknown metal X was deposited in another cell containing aqueous `XCI_2` solution in series with `AgNO_3` cell. Calculate the molar mass of X. Molar mass of Ag is `107.9 g mol^(-1)`.

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