Answer:
The pH of the resulting solution is 12.52.
Explanation:
n = number of moles
V = volume of the solution in Liters
1)1 mol of HCl gives 1 mol of hydrogen ion.
Concentration of the hydrogen ion = 0.1 M
Volume of the solution = 10 mL = 0.010 L
Moles of hydrogen ions = = 0.001 mol
2) 1 mol of NaOH gives 1 mol of hydroxide ion.
Concentration of the Hydroxide ions = 0.2 M
Volume of the solution ,V'= 8 mL = 0.008 L
Moles of hydroxide ions ,n ' = 0.0016
1 mol of HCl neutralizes 1 mol of NaOH ,then 0.001 mol of HCl will neutralize 0.001 mol NaOH.
So left over moles of hydroxide ions in the solution will effect the pH of the solution:
Left over moles of hydroxide ions in the solution = 0.0016 mol - 0.0010 mol = 0.0006 mol
Left over concentration of hydroxide ions:
pH +pOH = 14
pH = 14 - 1.48 = 12.52
The pH of the resulting solution is 12.52.
Elements in the same group tend to have very similar properties (D). This is due to the number of valence electrons each group has.
The water temperature rises with heat circling to the top and the cold going to the bottom.
Answer:
concentration = mol/volume = 4/2 = 2M