Bronze is a solid solution of Cu(s) and Sn(s); solutions of metalslike this that are solids are called alloys. There is a rangeof compositions over which the solution is considered abronze. Bronzes are stronger and harder than either copper ortin alone. (a) A 100.0-g sample of a certain bronze is 90.0%copper by mass and 10.0% tin. Which metal can be called thesolvent, and which the solute? (b) Based on part (a), calculatethe concentration of the solute metal in the alloy in units ofmolarity, assuming a density of 7.9 g/cm3. (c) Suggest a reactionthat you could do to remove all the tin from this bronzeto leave a pure copper sample. Justify your reasoning.

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Bronze is a solid solution of Cu(s) and Sn(s); solutions of metals
like this that are solids are called alloys. There is a range
of compositions over which the solution is considered a
bronze. Bronzes are stronger and harder than either copper or
tin alone. (a) A 100.0-g sample of a certain bronze is 90.0%
copper by mass and 10.0% tin. Which metal can be called the
solvent, and which the solute? (b) Based on part (a), calculate
the concentration of the solute metal in the alloy in units of
molarity, assuming a density of 7.9 g/cm3. (c) Suggest a reaction
that you could do to remove all the tin from this bronze
to leave a pure copper sample. Justify your reasoning.

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