How many atoms of fluoride are there in one molecule of nitrogen trifluoride?
2 answers:
Answer : The number of atoms of fluoride present in one molecule of are, 3.
Explanation :
Molecule : It is defined as the smallest particle in an element or a compound which has chemical properties of that element or a compound.
Molecules are made up of atoms and the atoms are bonded by the sharing of electrons.
The given molecules is,
The nitrogen trifluoride molecule is made up of two elements which are nitrogen and fluorine.
In the given molecules , there are 1 nitrogen atom and there are 3 fluorine atoms.
Hence, the number of atoms of fluoride present in one molecule of are, 3.
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Answer :
The concentration of before any titrant added to our starting material is 0.200 M.
The pH based on this ion concentration is 0.698
Explanation :
First we have to calculate the concentration of before any titrant is added to our starting material.
As we are given:
Concentration of HBr = 0.200 M
As we know that the HBr is a strong acid that dissociates complete to give hydrogen ion and bromide ion
.
As, 1 M of HBr dissociates to give 1 M of
So, 0.200 M of HBr dissociates to give 0.200 M of
Thus, the concentration of before any titrant added to our starting material is 0.200 M.
Now we have to calculate the pH based on this ion concentration.
pH : It is defined as the negative logarithm of hydrogen ion concentration.
Thus, the pH based on this ion concentration is 0.698