1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
irina [24]
3 years ago
7

Given a solution with a hydroxide ion concentration, oh=3.73×10^-5,what is the ph

Chemistry
1 answer:
Stells [14]3 years ago
8 0

Answer:

  • <em><u>pH </u></em><u>= 9.73</u>

<u></u>

Explanation:

<em>pOH</em> is the negative logarithm of the molar <em>concentration</em> of<em> hydroxide ions </em>and pH is the negative logarithm of the concentration of hydronium ions.

The mathematical expression to determine pOH is:

         pOH=-\log [OH^-]

Where [OH⁻] means the molar concentration of hydroxide ions.

Substituting:

        pOH=-\log {(3.73\times 10^{-5})

       pOH=4.43

<em>pH </em>and <em>pOH</em> are related by the equation:

           pH+pOH=14

From which:

           pH=14-pOH\\\\pH=14 - 4.43\\\\pH=9.57\leftarrow answer

You might be interested in
Why does the person keep moving even though the car stopped??
Anuta_ua [19.1K]
The force of the vehicle stopping, pushing your body forwards. I hope this helped!
3 0
3 years ago
What is the most likely decay for the fe-53 nucleus?
svetoff [14.1K]
The element number of Fe is 26, which means that the number of neutrons of the following isotopes is: 

<span>53-Fe: 27 </span>
<span>54-Fe: 28 </span>
<span>56-Fe: 30 </span>
<span>57-Fe: 31 </span>
<span>58-Fe: 32 </span>
<span>59-Fe: 33 </span>

<span>Because 53-Fe has too few neutrons when compared to the other isotopes we can rule out any decay that involves losing a neutron: (alpha decay, beta decay) So, this isotope will prefer to decay by electron capture or positron emission (assuming the system has about 1 MeV to spare), but in each case the product will be the same: 53-Mn (long-lived radioisotope). </span>


7 0
3 years ago
Which element has fewer than 4 dots In its Electron dot diagrams
nadya68 [22]

Answer:Strontium (Sr) and Gallium (Ga)

Explanation:

Strontium (Sr) and Gallium (Ga) are the elements which have fewer than four dots in the electron dot diagrams. Explanation: Electron dot diagrams are the diagrams which represent the valence electrons in an element. The electrons are represented by the dots in these diagrams.

4 0
3 years ago
Which type of environmental pollution would not be the direct result of the human use of fossil fuels? A) The expansion of landf
AleksAgata [21]
A is correct answer.

<span>The expansion of landfills with too much garbage to recycle. 
</span>
Hope it helped you.

-Charlie
3 0
3 years ago
What is the element above the element in Group 3, Period 4?
Dennis_Churaev [7]
Scandium? Is that what you mean?
5 0
3 years ago
Other questions:
  • In the following reaction, what coefficient will be written before the oxygen molecule (O2) to balance the chemical equation?
    5·1 answer
  • What does the monomer unit of Polyester look like? And what’s its chemical formula?
    15·1 answer
  • When a solution is diluted with water, the ratio of the initial to final
    8·2 answers
  • In order to survive, plants absorb sunlight, water, and nutrients from the soil. What property is this?
    10·1 answer
  • The density of gold is 19.3g/mL. If you have a 9.00 g piece of gold, what volume will it occupy (in milliliters)
    8·1 answer
  • Which organelles surround the cell? Select two options.
    7·1 answer
  • 1. What volume will 0.710 moles of nitrogen gas occupy at STP?
    8·1 answer
  • What pressure in kPa is exerted by 94.60 g CO2 at 57.00 ℃ in 0.7500 L?
    13·2 answers
  • How much force is required to accelerate a 50kg mass at 4m/s2
    8·1 answer
  • The atomic number of an element configuration 2,8, 8,2,13​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!