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SOVA2 [1]
3 years ago
8

Which factor below does not affect how fast a solute dissolves in a solvent?

Chemistry
2 answers:
Anit [1.1K]3 years ago
3 0
Stirring this is because the three elements are factors affecting dissolving of a solvent. Eg temprature affects in hotness or coldness, Particle size affects whether it is big or small while quantity of soluble affects by the amount
son4ous [18]3 years ago
3 0

Answer: The answer is B. Particle size of the solvent

Explanation: Solvent is usually in a liquid state (or sometimes in gaseous or solid-state). It is used in dissolving solutes (which are usually in solid-state). Although, the solute can also be in the form of a liquid and gaseous state.

When a solute dissolves in a solvent, a solution is formed. An example is when you have a salt (solute) dissolved in water(solvent) it will form a saline solution( which of course is the solution).

Factors that determine the rate a solute dissolves in a solvent include; temperature, stirring, the particle size of solute, the quantity of solute.

Temperature affects the rate of dissolving because, in a warmer solvent, solute has more energy to move compared in a cool solvent.

Stirring helps in the distribution of a solute in a solvent. When u agitate or stir, the solute will dissolve faster in the solvent.

The particle size of solute affects the rate of dissolving because a smaller particle size of a solute will dissolve faster than a solute with larger particle size.

Quantity of solute can also be a factor because when you have different quantities of solutes in a particular quantity of the same solvent, the rate of dissolving will be different provided they undergo the same factors I.e the solute with higher quantity will dissolve slower compared to the solute with less quantity provided the solvent is in the same temperature state.

Since solvents are usually in a liquid state, the particle size of the solvents won't be a factor of the rate at which the solutes will dissolve.

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What is the percent composition of phosphoric acid H3PO4
Agata [3.3K]
Hey there!:

Molar mass H3PO4 = <span>97.9952 g/mol

Atomic Masses :

H = </span><span>1.00794 a.m.u

</span>P = <span>30.973762 a.m.u

</span>O =  15.9994 a.m.u<span>

H % =  [ ( 1.00794 * 3 ) / </span> 97.9952  ]  * 100

H% = <span>3.0857 %

P % = [ ( </span>30.973762 * 1 ) / 97.9952 ] * 100

P% = <span>31.6074 %

O % = [ ( </span>15.9994 * 4 ) / 97.9952 ] * 100

O% = <span>65.3069 %


Hope this helps!</span>
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3 years ago
What does moderate mean in chemistry?
Eduardwww [97]

Answer:

Moderate reaction means those reactions which proceed with a measurable rates at the normal room temperature.

7 0
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If phosphorous has 5 valence electrons, how many does sulfur have?
VARVARA [1.3K]

Answer:

6

Explanation:

The atomic number for phosphorous is 15, meaning that it has 15 electrons (and protons). The first and second shells would be filled up with 2 and 8 electrons respectively, leaving 5 which goes on the third shell, which is also the valence shell, meaning phosphorous has 5 valence electrons.

Since the atomic number of sulfur is 16, the first and second shells are also filled up with 2 and 8 electrons respectively, leaving 6 to be on the third shell, the valence shell. Hence, sulfur has 6 valence electrons.

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Answer:

c

Explanation:

chemically changed

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