given that HNo2 is a stron acid and k3(CH3Cooh = 1.75 * 10^-5
0.010mol CH3COOH what is the ph calcuate
To find the pH, we need to first calculate the concentration of H3O+ ions in the solution.
Since CH3COOH is a weak acid, it will only partially dissociate in water. The balanced equation for the dissociation of CH3COOH is:
CH3COOH + H2O ⇌ CH3COO- + H3O+
From the equation, we can see that for every 1 molecule of CH3COOH that dissociates, 1 molecule of H3O+ is produced. Therefore, the concentration of H3O+ ions is equal to the concentration of dissociated CH3COOH.
Given that the initial amount of CH3COOH is 0.010 mol, and it dissociates completely, the concentration of H3O+ ions is also 0.010 mol.
To find the pH, we can use the formula:
pH = -log[H3O+]
pH = -log(0.010)
pH = 2
So, the pH of the solution is 2.