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hammer [34]
2 years ago
15

Which solute forms a saturated solution when 36 g of it are dissolved in 25 g of water at 20°C?

Chemistry
1 answer:
aleksklad [387]2 years ago
5 0

Answer:

<h2>Sodium Chloride (NaCl)</h2>

Explanation:

Using the standard solubility table , the solubility of sodium chloride is 36 g/100 mL water at 25°C.

Which means that 1 g of solid(that is in crystal form) sodium chloride will dissolve in 100 mL of water at 25°C.

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When solid water changes directly to water vapor without first becoming a liquid, the process is called?
Evgen [1.6K]

Sublimation. Sublimation is the change of a solid direct to gas or vapour without becoming liquid

4 0
2 years ago
What is the molarity of a solution that contains 87.75g of NaCI in 500.ml of solution
Brut [27]

Answer:

M = 3.0 mol/L.

Explanation:

  • We can calculate the molarity of a solution using the relation:

<em>M = (mass x 1000) / (molar mass x V)</em>

  • M is the molarity "number of moles of solute per 1.0 L of the solution.
  • mass is the mass of the solute (g) (m = 87.75 g of NaCl).
  • molar mass of NaCl = 58.44 g/mol.
  • V is the volume of the solution (ml) (V = 500.0 ml).

∴ M = (mass x 1000) / (molar mass x V) = (87.75 g x 1000) / (58.44 g/mol x 500.0 ml) = 3.0 mol/L.

6 0
3 years ago
Whats the answer to this
Natasha2012 [34]
I think the answer you have selected is right, I'm not sure tho
3 0
3 years ago
Question 6 of 10
lesya [120]
The answer is B. Molecules move more quickly as temperature increases.

When Allmond molecular motion stops, that is considered absolute zero. That does not mean that it cannot get colder, disapproving A.

C is just wrong.

D says when molecular motion stops the temperature STARTS to decrease, it was decreasing before it got there.
7 0
3 years ago
I will take a picture of the question ​
a_sh-v [17]

Answer:

yes as you wish

Explanation:

but why have u asked this

3 0
3 years ago
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