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Montano1993 [528]
3 years ago
14

Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon difference in the

Chemistry
1 answer:
Misha Larkins [42]3 years ago
4 0
Tonicity (how much salt is in it)
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A sample of wine consists of water, sugar, some amount of ethyl alcohol, and grape juice. These ingredients blend together unifo
NeTakaya

Answer: The sample of wine could be described as numbers 1, 3 & 4

Explanation:

It is a mixture because it is the physical combination of two or more substances

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What was the original element formed moments after the Big Bang? What then created higher order elements?
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16. A solution is made by dissolving 25 g of NaCl in enough water to make 1.0 L of solution. Assume the density of the solution
nata0808 [166]

Answer:

The molarity will be "0.43 M" and molality will be "0.43 m".

Explanation:

Given that:

mass of NaCl,

= 25 g

Volume of solution,

= 1 L

Density of solution,

= 1 gm/cm³

Now,

The weight of solvent will be:

= Volume\times density

= 1\times 1

= 1 \ kg

The mole of NaCl will be:

= \frac{mass}{Molar \ mass}

= \frac{25}{58.44}

= 0.43

hence,

The molarity will be:

= \frac{number \ of \ mole}{Volume \ of \ solution}

= \frac{0.43}{1}

= 0.43 \ M

The molality will be:

= \frac{mole \ of \ solute}{Weight \ of \ solvent}

= \frac{0.43}{1}

= 0.43 \ m

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2 years ago
Are all atoms of the same element identical? Back up your answer with evidence and examples. pls help
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Anders Celsius made the __________
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