Calculate the volume in mL of a 0.708 M KOH solution containing 0.098 mol of solute
Answers
0.708M = 0.098mol/L
Rearrange to find L:
0.098mol/0.708M = .138L
For every liter there is 1000 mL:
.138L • 1000mL =138mL KOH
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True or false an atom is the smallest particle of a whole element
Answers
To solve this we use the equation,
M1V1 = M2V2
where M1 is the concentration of the stock solution, V1 is the volume of the stock solution, M2 is the concentration of the new solution and V2 is its volume.
1.75 M x V1 = 0.100 M x 2.0 L
V1 = -.11 L
Answer : The volume of stock solution is, 0.114 L
Solution :
According to the dilution law,
where,
= molarity of
solution = 0.100 M
= volume of
solution = 2.00 L
= molarity of
stock solution = 1.75 M
= volume of
stock solution = ?
Now put all the given values in the above law, we get the volume of stock solution.
Therefore, the volume of stock solution is, 0.114 L
According to the electronegativity difference between the atoms in carbon dioxide, it would be appropriate to label oxygen with the symbol, _______, and carbon with the symbol, _______.
Based on the electronegativity difference between carbon and hydrogen, the bonds in methane are _______.
According to the electronegativity difference between the atoms in methane, it would be appropriate to label hydrogen with the symbol, _______, and carbon with the symbol, _______.
Answers
In water molecule, oxygen is more electronegative than hydrogen.
The difference in electronegativity signifies that the hydrogen-oxygen bond is polar in nature i.e. partial positive and partial negative.
According to the electronegativity difference between the atoms in water, it would be appropriate to label hydrogen with the symbol partial positive(Hδ+) and oxygen with the symbol partial negative(Oδ-.) due to attraction of electron pair.
Based on the electronegativity difference between carbon and oxygen, the bonds in carbon dioxide are polar in nature means they making poles.
According to the electronegativity difference between the atoms in carbon dioxide, it would be appropriate to label oxygen with the symbol partial negative(Oδ-) and carbon with the symbol partial positive(Cδ+).
Based on the electronegativity difference between carbon and hydrogen, the bonds in methane are polar because of different values of electronegativity.
According to the electronegativity difference between the atoms in methane, it would be appropriate to label hydrogen with the symbol partial positive(Hδ+) and carbon with the symbol partial negative(Cδ-.).
Learn more: brainly.com/question/11630877
more
polar
plus delta
negative delta
polar
negative delta
positive delta
polar
positive delta
negative delta
negative delta are the more electronegative molecules
positive delta are the least electronegative molecules
polar because they have differing electronegativities
Answers
Answer:In a physical change, atoms are not rearranged and the matter's physical and chemical properties are unchanged. Chemical changes, on the other hand, rearrange the atoms of matter in new combinations, resulting in matter with new physical and chemical properties.
Explanation:
easy
H2O
H2SO4
MgF2
SF6
Answers
C is the correct answer.
yes, the right answer is C. MgF2
2) Columnar
3) Squamous
Answers
The type of epithelial cells that would be found in an area of the body where diffusion of nutrients needs to occur is squamous.
- Epithelial cells refer to the cells that are vital in the lining of the surface of the body. Epithelial cells can be found on the blood vessels, skin, and urinary tract.
- It should be noted that epithelial cells are important as they act as a protective barrier and help in stopping viruses from getting inside the human body.
- It should be noted that squamous can be found in an area of the body where diffusion of nutrients needs to occur. They're flat cells and they are usually thin and resembles the scale of fishes.
In conclusion, squamous can be found on the surface of the skin.
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Answer: C. Squamous
Explanation:
I got it right on my test...lol