A 1.0 mole pure sample of molten tin is dissolved in a 5.0 mole pure sample of molten copper. The solution is set aside to cool and solidify. The atomic radius of tin is 140 pm and the atomic radius of copper is 128 pm. a. Identify the type of alloy that is formed. Justify your answer. b. Identify the solvent in this solution. Justify your answer.

a. The alloy formed from the mixture of molten tin and molten copper, with copper having the over triple of the quantity of tin, is bronze. Although, these two metals are often not the only metals present in bronze.

b. The solvent in this mixture is molten copper. This is because, it has the larger percentage of the constituents and hence can easily allow other constituents to be dissolved in it.

moya1316 moya1316 · Answer 2 · 2021-10-06T10:43:29+02:00

The characteristics of the mixtures allow to find the answers to this question about bronze are:

We have a homogeneous solution

The solute is tin and the solvent is copper

In chemistry when materials do not react with each other, a new compound is not formed, therefore there is a mixture of unreacted elements.

The mixture is the union of two or more components united, but that do not react chemically, we can have two types of mixture:

Homogeneous. In this case the materials cannot be distinguished from each other, this special case is called a solution.

Heterogeneous. There is a heterogeneous composition that can be distinguished. The parts of can be separated by physical methods, for example: deposition in time, filtration, etc.

In mixtures, the material that is in less quantity is called solute and the material that is in greater quantity is called solvent.

In this case we have a combination of Tin and Copper, by heating when they are taken to the liquid state the mixture is formed, the result is a material where no phase or separation can be distinguished, therefore we are in the presence of a homogeneous solution, that cooling would be a solid solution.

Therefore, copper and tin maintain their chemical properties, but the physical properties are altered, this solution is widely used industrially and is called Bronze.

We have 1 mole of tin and 5 moles of Copper, so the solute is the material in the least amount of Tin and the solvent is the material in the greatest amount of Copper.

In conclusion, using the characteristics of the mixtures we can find the answer to this question about bronze:

We have a homogeneous solution in solid state

The solute is tin and the solvent is copper

Learn more about mixtures here:

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