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SSSSS [86.1K]
3 years ago
10

What is the PH of 8.1x10^-5 M HCLO4 solution

Chemistry
1 answer:
Ivanshal [37]3 years ago
6 0
HCl04 is a strong acid solution. So, in theory everything dissociates.

pH= -log(0.000081)= 4.09
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1. the mass of one electron is
kupik [55]

Answer:

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Mass of one neutron is 1.675 × 10⁻²⁷ Kg

 

<u>-TheUnknownScientist</u><u> 72</u>

4 0
2 years ago
Which structural feature of carbon dioxide contributes to its low melting point?
antoniya [11.8K]
 <span>Because it has very weak intermolecular meaning it takes little energy to break them and turn it into a gas</span>
8 0
3 years ago
To interconvert the concentration units molality (m) and mass percent, you must also know the density of the solution. A) True B
uranmaximum [27]

Answer:

The correct answer is option false.

Explanation:

Molality of the solution defined as moles of substance present in 1 kilogram of   solvent.

Moles = \frac{Mass of solute}}{\text{molar mass of solute}}

Molality=\frac{Moles}{\text{Mass of solvent(kg)}}

Mass of percent (w/w%) of the solution is defined as amount of solute present in 100 grams of solution.

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7 0
3 years ago
Which of the following electromagnetic waves are listed in the correct order from longest wavelength to shortest wavelength
Ghella [55]
Good afternoon,

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UV (Ultraviolet) light wavelengths = 400 nm - 10nm

So, the correct order is Infrared - Visible - Ultraviolet

I hope this has satisfied you, and if you need anymore help, feel free to ask.

Have a good afternoon!




8 0
3 years ago
Please help answer this 6 min left in class
vova2212 [387]

Answer:

not sure but i think is B

Explanation:

hope this help.

6 0
2 years ago
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