Answer:
1.51
⋅
10
24
Explanation:
This is a pretty straightforward example of how to sue Avogadro's number to figure out the number of molecules present in a given sample.
In your case, the sample is said to contain
2.50
moles of water. Now, a mole is simply a very, very large collection of molecules. In order to have
1
mole of a molecular compound you need your sample to contain
6.022
⋅
10
23
molecules of that compound.
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Answer:
There are nine atoms in a molecule of ethanol.
Explanation:
i had this on my test to
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SeO₄²⁻ is state the hybridization of the central atom, and give the ideal bond angle(s).
<h3>What is potassium hydroxide?</h3>
Potassium hydroxide, also known as lye, is a chemical substance with the formula KOH. It is also known as caustic potash and is available in a variety of forms such as pellets, flakes, and powders. It has a variety of chemical, industrial, and manufacturing applications.
Potassium hydroxide, sometimes known as caustic potash, is an inorganic chemical with the formula KOH. KOH is a classic strong base, along with sodium hydroxide. It has numerous industrial and specialty applications, the majority of which take advantage of its caustic nature and acid reactivity.
To learn more about potassium hydroxide visit:
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Electronic configuration of bismuth is given as:
When electron is removed from bismuth then bismuth is ionized to 
, the electronic configuration becomes:
Now, n represents the principal quantum number which determines the distance from the orbital of the electrons i.e. size of the orbital and its energy.
Thus, outer most electron is present in shell number 6. Thus, principal quantum number is (n=6).
Now, l represents the azimuthual quantum number which determines the shape of an orbital.
Now, if the outer most electron is present in s orbital then the l =0, if the outer most electron is present in p orbital then the l =1, if the outer most electron is present in d orbital then the l =2, if the outer most electron is present in f orbital then the l =4 and if the outer most electron is present in d orbital then the l =2, if the outer most electron is present in h orbital then the l =5.
l 0 1 2 3 4 5
Letter s p d f h
Thus, azimuthual quantum number is 1 as the outer most electron is present in the p orbital.
A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means.
