3 years ago

Difference between saturated solution and unsaturatd solution

1 answer:

7 0

A saturated solution is the state of a solution where the solvent has accepted as much of the solute as possible. An unsaturated solution still has room for more of the solute. And I know you didn't ask this, but a supersaturated solution is a solution that has been made to accept more solute than should be possible through external forces, such as heating the solvent to the point where it will accept more solute.

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Which statements describe the elements? Which ones are true and which ones are false?

Alchen [17]

Answer:

Explanation:

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3 years ago

Which would be best categorized as heat transfer by conduction? A) Wearing a white shirt to stay cool on a summer day. B) Warmin

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Answer:

Conduction is heat transfer through the direct contact of two subjects. The best example of this would be C, because it is the direct transfer of heat from the lightbulb to your hand. :)

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A scalpel made of surgical stainless steel is sterilized by heating in a flame and then quenching in 175 g of ethyl alcohol. The

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3 years ago

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2Pb(s) + O2(aq) + 4H+(aq) → 2H2O(l) + 2Pb2+(aq)

defon

Answer:

The answer to your question is 0.269 g of Pb

Explanation:

Data

Lead solution = 0.000013 M

Volume = 100 L

mass = 0.269 g

atomic mass Pb = 207.2 g

Chemical reaction

2Pb(s) + O₂(aq) + 4H⁺(aq) → 2H₂O(l) + 2Pb₂⁺(aq)

Process

1.- Calculate the mass of Pb in solution

Formula

Molarity = $\frac{number of moles}{volume}$

Solve for number of moles

Number of moles = Volume x Molarity

Substitution

Number of moles = 100 x 0.000013

Number of moles = 0.0013

2.- Calculate the mass of Pb formed.

207.2 g of Pb ----------------- 1 mol

x g ----------------- 0.0013 moles

x = (0.0013 x 207.2) / 1

x = 0.269 g of Pb

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4 years ago

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3 years ago