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1 year ago

How to separate a solid for a solution

Chemistry

1 answer:

Blababa [14]1 year ago

5 0

Answer:

Evaporation is the method of separating a solid (solute) from a homogeneous solution.

in this method, the solution is heated until the solvent gets evaporated in the form of vapor and the solute is left behind as residue.

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23<br> How many moles are in 500g of Calcium Nitrate? 10 M

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3 years ago

The electronegativity of C = 2.5, O = 3.5. What type of bond is between C-O? ______ ______ bond

Schach [20]

Answer:

Polar covalent bond

Explanation:

On the basis of electronegativity bond could be ionic bond, polar and non pole covalent bond.

Ionic bond:

It is the bond which is formed by the transfer of electron from one atom to the atom of another element.

Both bonded atoms have very large electronegativity difference. The atom with large electronegativity value accept the electron from other with smaller value of electronegativity. The electronegativity difference between bonded atoms is greater than 1.7.

For example:

Sodium chloride is ionic compound. The electronegativity of chlorine is 3.16 and for sodium is 0.93. There is large difference is present. That's why electron from sodium is transfer to the chlorine. Sodium becomes positive and chlorine becomes negative ion. Both atoms are bonded together electrostatic attraction occur between anion and cations.

Covalent bond:

It is formed by the sharing of electron pair between bonded atoms.

The atom with larger electronegativity attract the electron pair more towards it self and becomes partial negative while the other atom becomes partial positive. There are two type of covalent bond. Polar and non polar covalent bond. When electronegativity difference is 0.4 - 1.7 bond is polar covalent bond when it is less than 0.4 the bond is non polar covalent.

For example:

In CO the electronegativity of oxygen is 3.5 and carbon is 2.5. That's why electron pair attracted more towards oxygen, thus oxygen becomes partial negative and carbon becomes partial positive. and bond is polar covalent.

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3 years ago

the water in a 150-mL flask is poured into a beaker that contains 600 mL of ethyl alcohol. Which sis stands solvent in this mixt

Alekssandra [29.7K]

Taking into account the definition of solvent and solute, ethyl alcohol because it has a much larger volume than water.

<h3>Definition of solute and solvent</h3>

The solution is a homogeneous mixture of two or more components that have the same chemical and physical properties in a single phase. A solution is made up of two main components: the solute and the solvent.

The solute is the substance that dissolves in a solution and is usually found in a lower proportion than the solvent.

Solvent is the substance in which a solute dissolves, resulting in a chemical solution and is the component that is found in the highest proportion in the solution. It will always be the solvent who will determine the state of the matter that will have the solution.

<h3>Solute and solvent in this case</h3>

In this case, you consider that the solute is the component in less quantity and the solvent is the major component, and you know that the water in a 150 mL flask is poured into a beaker that contains 600 mL of ethyl alcohol.

Then, ethyl alcohol because it has a much larger volume than water.

Learn more about solute and solvent:

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2 years ago