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Andru [333]
3 years ago
11

The physical properties of a solution and the properties of the individual components are

Chemistry
2 answers:
rodikova [14]3 years ago
8 0

Answer:

different

Explanation:

Take for example the colligative properties: freezing point depression and boiling point elevation. As their name indicates one measure the decrease of the freezing point and the other one the increment of the boiling point, of a solvent on the addition of a non-volatile solute. So, neither the physical properties of the solvent nor the solute is equal to the physical properties of the solution they made.

aliina [53]3 years ago
7 0

Answer:

different

Explanation:

physical properties are the measure the melting point boiling point and freezing point and much more

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MariettaO [177]
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2C₂H₅OH + 6O₂ ---> 4CO₂ + 6H₂O
the stoichiometry of C₂H₅OH to O₂ is 2:6
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when 1 mol of C₂H₅OH reacts with 6/2 mol of O₂,
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3 years ago
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Answer:

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A 0.75M solution of CH3OH is prepared in 0.500 kg of water. How many moles of CH3OH are needed?
4vir4ik [10]

Answer:

We need 0.375 mol of CH3OH to prepare the solution

Explanation:

For the problem they give us the following data:

Solution concentration 0,75 M

Mass of Solvent is 0,5Kg

knowing that the density of water is 1g / mL,  we find the volume of water:

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Now, find moles of CH_{3} OH are needed using the molarity equation:

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therefore the solution is prepared using 0.5 L of H2O and 0.375 moles of CH3OH,  resulting in a concentration of 0,75M

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1 cent ---------->  0.01 g
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hope this helps!.

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