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Answer:
0.0428 M
Explanation:
Because we're asked to calculate the molarity of nickel(II) cation, we need to <u>determine all sources for that species</u>, in this case, all Ni⁺² comes from the nickel(II) bromide solid (NiBr₂).
We use the molecular weight of NiBr₂ to calculate the moles of Ni:
1.87 g NiBr₂ ÷ 218.49g/mol * (1molNi⁺²/1molNiBr₂) = 8.55x10⁻³ mol Ni⁺²
Then we <u>divide the moles by the volume in order to calculate the concentration</u>:
8.55x10⁻³ mol Ni⁺² / 0.200 L = 0.0428 M
Answer:
0.036 M of ![CH_{3} COOH](https://tex.z-dn.net/?f=CH_%7B3%7D%20COOH)
Explanation:
It is an example of acid-base neutralization reaction.
KOH +
---->
+ ![H_{2}O](https://tex.z-dn.net/?f=H_%7B2%7DO)
Base Acid Salt
When two component react then the number of moles of both the component should be same, therefore the number of moles and acids and bases should be the same in the following .
Molarity= ![\frac{\textrm{No. of Moles}}{\textrm{Volume of the Particular Solution}}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Ctextrm%7BNo.%20of%20Moles%7D%7D%7B%5Ctextrm%7BVolume%20of%20the%20Particular%20Solution%7D%7D)
No.of moles= Molarity × Volume of the Particular Solution
Therefore,
------------------------------(1)
where
= Molarity of Acid
= Volume of Acid
= Molarity of Base
= Volume of Base
=0.3330 M
=10.62 mL
=98.2 mL
=??(in M)
Plugging in Equation 1,
0.3330 × 10.62 =
× 98.2
=![\frac{0.3330*10.62}{98.2}](https://tex.z-dn.net/?f=%5Cfrac%7B0.3330%2A10.62%7D%7B98.2%7D)
=0.036 M
Answer:
<h3>2CH3COOH(l)⇒⇒⇒⇒(CH3COOH2)+ + (CH3COO)-</h3>
Explanation:
Remember that, ionization is a process by which an atom or a molecule receives a negative or positive charge by gaining or losing electrons during a chemical reaction. However the auto-ionization reaction for acetic acid the two solvent molecules (CH3COOH2)+ + (CH3COO-) collide and a proton is transferred between them.
Explanation:
Geological activity determines geological structures. The prevalent types and forms of tectonic working in a place will control the form of structure that can be found in a terrain.
- In volcanic region, it is common to see volcanic structures of different types such as calderas, strato-volcano etc. These structures are formed by the volcanic activities.
- Also, in a karst topography, we find sink holes, stalactites and stalagmites etc. due to the nature of the geologic activities going on.
- Some sedimentary rocks shows cross bedding due to the environment where they form.
So, geologic activities controls the structure found in an area