Write a balanced half-reaction for the reduction of gaseous nitrogen N2 to aqueous hydrazine N2H4 in acidic aqueous solution. Be
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Explanation:
Given the mass of HCl is ---- 0.50 g
The volume of solution is --- 4.0 L
To determine the pH of the resulting solution, follow the below-shown procedure:
1. Calculate the number of moles of HCl given by using the formula:
2. Calculate the molarity of HCl.
3. Calculate pH of the solution using the formula:
Since HCl is a strong acid, it undergoes complete ionization when dissolved in water.
Thus,
Calculation:
1. Number of moles of HCl given:
2. Concentration of HCl:
3. pH of the solution:
Hence, pH of the given solution is 2.47.