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Lorico [155]
3 years ago
8

What is the molarity of ethanol c2h5oh in an aqueous solution that is 36.4% ethanol by mass

Chemistry
1 answer:
meriva3 years ago
8 0

Answer:

the answer is A

Explanation:

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Identify solute and solvent in 80 solution of ethyl alcohol with water
diamong [38]
The solute is the part of the solution that dissolves in the second component (usually a fluid). Therefore, for the mentioned solution, the solute is ehyl alcohol since it is the one dissolving in water.

As for the solvent, it is the component in which the solute dissolves. In this case, it is water.
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The temperature in mark’s town is 30 degrees Fahrenheit. The temperature in Vikki’s town is 82 degrees Fahrenheit. In both towns
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Explanation:

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3 years ago
What is the energy of an electron in the third energy level of hydrogen?
Roman55 [17]

Answer:

Electrons in a hydrogen atom must be in one of the allowed energy levels. If an electron is in the first energy level, it must have exactly -13.6 eV of energy.

...

Energy Levels of Electrons.

Energy Level Energy

1 -13.6 eV

2 -3.4 eV

3 -1.51 eV

4 -.85 eV

4 0
3 years ago
How does water vapor become frost?
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6 0
3 years ago
A solution of hydrogen peroxide, H2O2, is titrated with
Alex
5H2O2 + 2KMnO4<span>+ 3H2SO4 = 5O2 + 2MnSO4 + 8H2O + K2SO4

0,145 moles of KMnO4----------in--------1000ml
x moles of KMnO4---------------in------------46ml
x = 0,00667 moles of KMnO4

according to the reaction:
2 moles of KMnO4------------------5 moles of H2O2
0,00667 moles of KMnO4----------------x
x = 0,01668 moles of H2O2

0,01668 moles of H2O2---------in-----------50ml
x moles of H2O2--------------------in----------1000ml
<u>x = 0,334 mol/L H2O2</u></span>
6 0
3 years ago
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