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slega [8]
2 years ago
7

4 methods that can be used to separate mixtures are

Chemistry
2 answers:
TiliK225 [7]2 years ago
7 0
Coffee Filter
By Hand
Boiling
Magnetism
Evaporation
a Funnel

or what you might be asking


Distillation
Crystallization
<span>Chromatography
</span><span>Filtration</span>
RUDIKE [14]2 years ago
6 0
Filtration
distillation
crystallization
chromatography
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Newton's third law states that for every action, there is an ______ and ____ reaction force and that forces come in ____
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Newton's third law of motion states that every action, there is an equal and opposite reaction force and that forces come in pairs

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Explain the Properties of Ionic and covalent substances. ​
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How is sublimation and deposition different from melting and freezing?
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3 years ago
An aqueous solution that is 20.0 percent sulfuric acid (h2so4) by mass has a density of 1.105 g/ml. determine the molarity of th
GuDViN [60]

The definition of molarity is:

Molarity = moles of solute / total volume of solution in Liters

In this case, our solute is Sulfuric Acid. To solve this problem, let us assume a basis for calculation.

Let us say that,

Total mass of solution = 100 g

Therefore mass of H2SO4 = 20 g

<span>The molar mass of H2SO4 = 98.079 g / mol</span>

 

Calculating for number of moles of H2SO4:

number of moles = <span>20 g / (98.079 g / mol)</span>

number of moles = 0.204 mol

 

Calculating for the volume of solution using the density:

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<span>total volume of solution = 90.50 mL = 0.0905 L</span>

 

Therefore the molarity is:

Molarity = 0.204 mol / 0.0905 L

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