The balanced equation shows how sodium chloride reacts with silver nitrate to form sodium nitrate and silver chloride. NaCl + Ag
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Answer :
Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule. The electrons are represented by dot.
The given molecule is, perbromate ion.
Bromine has '7' valence electrons and oxygen has '6' valence electron.
Therefore, the total number of valence electrons in perbromate ion, = 7 + 4(6) + 1 = 32
According to Lewis-dot structure, there are 14 number of bonding electrons and 18 number of non-bonding electrons.
Formula for formal charge :
The Lewis-dot structure of perbromate ion is shown below.
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The answer is:
First, we need to look for the K molecular mass:
Also, we need to remember that 1 mol of a compound or element is equal to of that compound.
From the statement, we are asked to calculate how many atoms of K are present in 195,49 of K.
So, doing the calculations, we have:
So, we have atoms of K in 195,49 grams of K.
Have a nice day!