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lubasha [3.4K]
3 years ago
9

What conclusion can she make from her experiment?

Chemistry
2 answers:
slamgirl [31]3 years ago
6 0

Answer:

Im pretty sure the answer is D

Explanation

pishuonlain [190]3 years ago
5 0

Answer:

hii samyy

Explanation:

nice killua profile pic :))

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An atom is always an element . but an element is not always an atom. but an element can also be a compound . an example is which
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Which of the following is true for the percentage yield of a reaction?
Maksim231197 [3]

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It is always less than the theoretical yield

Explanation:

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2 years ago
Which of the following elements has the largest atomic radius? (2 points)
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Cobalt
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5 A Punnett square is shown below. The domin
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A solution is made by dissolving 15.5 grams of glucose (C6H12O6) in 245 grams of water. What is the freezing point depression of
sergij07 [2.7K]
From the equation; ΔTf = Kf × m
Where, Kf for water = 1.853 K kg/mole; m is the molarity = number of solute/amount of solvent in kg.
Glucose is the solute whose molecular mass is 180 g/mole and water is the solvent. 
Moles of solute = 15.5/180 = 0.0861 moles
Amount of solvent in kg = 245/1000 = 0.245 Kg
Therefore; molarity = 0.0861/0.245 = 0.3515 moles/Kg
Therefore; ΔTf = 1.853 × 0.3515 = 0.6513 K
Hence; the depression in freezing point is 0.6513 
The freezing point of solution will therefore be;
= 273 - 0.6513 = 272.3487 K

7 0
3 years ago
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