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madreJ [45]
2 years ago
9

A cell with a 10% salt concentration inside it is placed into a solution. The cell begins to shrink. What is a possible concentr

ation of salt outside the cell
Chemistry
1 answer:
ANTONII [103]2 years ago
7 0

Given what we know, we can confirm that the concentration of salt outside the cell was above 10%.

<h3>How can we know the external salt concentration?</h3>

This has to do with osmosis. Osmosis is the tendency of water to move towards a place with a higher <u>concentration</u> of solute. This is because of water's role as a solvent. The cell in this case shrinks because the water leaves the cell to dissolve the outside salt concentration, which tells us that it must be higher than 10%.

Therefore, we can confirm that the cell shrinks because water leaves the cell to dissolve the outside salt concentration, meaning that the outside concentration of salt is higher than 10%.

To learn more about osmosis visit:

brainly.com/question/21395644?referrer=searchResults

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2. <span>High pressure and low temperature 

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4 years ago
A sample of CO2 gas has a volume of 2.7 L at 78.5 kPa. At what pressure would this sample of gas have a volume of 4.0L? Temperat
lisabon 2012 [21]

Answer:

52.99 kPa

Explanation:

Initial volume V1 = 2.7 L

Initial Pressure P1 = 78.5 kPa

Final Volume V2 = 4.0L

Final Pressure P2 = ?

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The relationship between these quantities is given by the mathematical expression of Boyles law. This is given as;

V1P1 = V2P2

P2 = V1P1 / V2

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7 0
3 years ago
Help me please) attached the screen below. Thanks
Vitek1552 [10]

Answer:

1) d = 2.4 g/cm³

2) m = 25 g

3) v = 126.7 cm³

Explanation:

Given data:

Mass of material = 24 g

Volume of material = 10 cm³

Density of material = ?

Solution:

Formula:

d = m/v

by putting value,

d = 24 g / 10 cm³

d = 2.4 g/cm³

2) Given data:

Density of material = 5 g/cm³

Volume of material = 5 cm³

Mass of material = ?

Solution:

Formula:

d = m/v

5 g/cm³ = m / 5 cm³

m = 5 g/cm³×5 cm³

m = 25 g

3)Given data:

Density of material = 3 g/cm³

Mass of material = 380 g

Volume of material =  ?

Solution:

Formula:

d = m/v

3 g/cm³ = 380 g / v

v = 380 g /3 g/cm³

v = 126.7 cm³

7 0
3 years ago
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Yes and no because it's important for a citizen to have a grasp on chemistry but you do not need it to be a politician
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4 years ago
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The answer will be 17.9 grams
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