Answer:
1.9
Explanation:
Let us call to mind the formula
m/M= CV
Where
m= mass of the solute= 5.41 g
M= molar mass of the solute = 63.02g
C= concentration of the solution (the unknown)
V= volume of the solution = 7L
5.41 / 63.02g = 7C
0.0858= 7C
C= 0.0858/7
C= 0.01226 molL-1
[H^+]= [HNO3]= 0.01226 molL-1
pH= - log [H^+]
pH= -log(0.01226)
pH= 1.9
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Decomposition
The pH of an aqueous solution is the measure of how acidic or basic it is. The pH of an aqueous solution can be determined and calculated by using the concentration of hydronium ion concentration in the solution.
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