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ArbitrLikvidat [17]
1 year ago
12

Never mind, question solved.

Chemistry
1 answer:
Alchen [17]1 year ago
5 0
The answer to the problem is 100
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Regarding the formula al2o3 which of the following is accurate
user100 [1]
You forgot to post 'the following' .
8 0
3 years ago
Which of the following values is measured the LEAST precisely? * 22mL 45.2mL 50mL 100mLchem​
nekit [7.7K]

Answer:

If you're looking at the data as a whole, it would most likely be 100ml.

Explanation: The definition of precise is data close together so 100ml is furthest away from the other recorded numbers

7 0
3 years ago
A solution is made by dissolving 58.125 g of sample of an unknown, nonelectrolyte compound in water. The mass of the solution is
e-lub [12.9K]

Answer:

molecular weight (Mb) = 0.42 g/mol

Explanation:

mass sample (solute) (wb) = 58.125 g

mass sln = 750.0 g = mass solute + mass solvent

∴ solute (b) unknown nonelectrolyte compound

∴ solvent (a): water

⇒ mb = mol solute/Kg solvent (nb/wa)

boiling point:

  • ΔT = K*mb = 100.220°C ≅ 373.22 K

∴ K water = 1.86 K.Kg/mol

⇒ Mb = ? (molecular weight) (wb/nb)

⇒ mb = ΔT / K

⇒ mb = (373.22 K) / (1.86 K.Kg/mol)

⇒ mb = 200.656 mol/Kg

∴ mass solvent = 750.0 g - 58.125 g = 691.875 g = 0.692 Kg

moles solute:

⇒ nb = (200.656 mol/Kg)*(0.692 Kg) = 138.83 mol solute

molecular weight:

⇒ Mb = (58.125 g)/(138.83 mol) = 0.42 g/mol

8 0
3 years ago
A compound that would be most soluble in water would be: a. glucose b. cholesterol. c. a large protein. d. a triglyceride.
Mrrafil [7]

Answer:

a. glucose

Explanation:

5 0
3 years ago
27. Some forces require direct contact, while others, like gravity, act at a distance. Which of the following is NOT
Rudiy27

Answer:

pretty sure its D

like 85% sure

6 0
2 years ago
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