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emmasim [6.3K]
3 years ago
11

Match the following terms with their definitions:

Chemistry
2 answers:
pogonyaev3 years ago
7 0

Explanation:

A mixture is defined as a substance in which two or more components are mixed together. Components in a mixture do not chemically combine together.

For example, sugar in water.

When solute particles completely and evenly mixed in a solvent then it is known as a homogeneous mixture. A homogeneous mixture is also known as a solution. For example, salt in water.

When solute particles are not evenly mixed in a solvent then it is known as a heterogeneous solution. For example, sand in water.

A compound is a substance in which two or more atoms are chemically combined together in a fixed ratio by mass. For example, CaCl_{2} is a compound.

Thus, we can conclude that given terms with their definitions are matched as follows.

1. Matter that is physically combined; has two forms of itself (homogeneous and heterogeneous) - Mixture.

2. A substance that that has uniform composition of two or more substances that cannot be seen - homogeneous mixture.

3. A substance that that has non-uniform composition of two or more substances that can be seen - heterogeneous mixture.

4. Substance composed of two or more elements bonded in a certain ratio by mass - Compound.

5. An example of a homogeneous mixture in a liquid form - solution.

stepan [7]3 years ago
6 0
Hi,

Homogeneous mixture 2
Heterogeneous 3
Mixture 1
Solution 5
Compound 4
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Explanation:

Mole fraction remains a sort of concentration. It indicates:

moles of solute / (moles of solute + moles of solvent)

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Moles of solute: 200 g / 416g/mol = 0.481 moles

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Mole fraction for C₂₂H₁₉Cl₂NO₃ = 0.481 moles / 55.98 moles = 0.0086

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