Find the pH of the equivalence point and the volume (mL) of 0.0884 M KOH needed to reach the equivalence point in the titration of 23.4 mL of 0.0390 M HNO2.   Volume: ____mL KOH   pH = ___

A 300. ml sample of 0.10 M C2H5NH2 was titrated with 0.20 M HNO3. For each of the following volumes of added titrant, identify the species that determines the pH in the solution. 50 mL HNO3: 75 mL HNO3: 100 mL HNO3: C2H5NH2 and C2H5NH3* only C2HSNH2 C2H5NH2 and C2H5NH3* (equal amounts) only C2HSNH3* only NOz- 150 mL HNO3: 200 ml HNO3: excess HaO excess OH- Check

Calculate the pH for each of the cases in the titration of 25.0 mL of 0.110 M pyridine, C₁H₁N(aq) with 0.110 M HBr(aq). The Kb of pyridine is 1.7 x 10-⁹. before addition of any HBr pH = after addition of 12.5 mL of HBr after addition of 16.0 mL of HBr after addition of 25.0 mL of HBr after addition of 35.0 mL of HBr 9.31 pH = pH = pH = pH = 5.23 4.63 Incorrect 11.65 Incorrect 1.33 Incorrect

Calculate the pH at the given points in the titration between 100.0 mL of 0.05000 m NH3 (Kb = 1.8 x 10-5) after adding the following volumes of 0.100 m HCI: 50.00 mL HCI

Pls ans all

A solution of 0.100 M nitrous acid, HNO2, is titrated with 0.100 M NaOH. The pH at the equivalence point is ____________ .     less than 7     greater than 7     equal to 7     impossible to determine without additional information