Question

0.150Macete and an d0250 Ms dim what is the pH ofa bufer hata on (İb) what is the pH ofthebe n pa tlaatoosoom les ofHa is addo (le) What is the pH of the buffer in part 1a after $0.0 mL of 0.100 M KOH is added to 500. mL of the buffer? (Id) What is the pli of 500. mL of water after 50.0 mL of 0.100 M KOH is added to it? (2a) What is the pH of 1.00Lofa buffer that is 0.250 Mina,NH: and 0.2SMCHNHar (2b) What is the pH of the buffer in part 2a after 25.0 mmole of HBr is added to 1.00 L of the buffer? (2e) What is the pH of the buffer in part 2a after 100. mL of 0.0100 MNaOH is added to 1.00 L of the buffer? (la) 1aGx.ie) + iog(cki o.s) ,47gz О.ti. Ч.fc7 to 1.00 L of the buffer? What is the pH of water after 100. ml of 0.0100 MNaOH is added to 1.00L of water? Does this illastrate buffer action? (a) What is the pH of a bufer that is 0.150 M HF and 0.250 MNaF? (3b) What is the pH of the buffer in part 3a after 15.0 mmole of HCl is added to 1.00 L of the buffer? (4a) A buffer is prepared by mixing 100. ml of 0.100 MNH, with S0.0 mL of 0.200 NH.CL What is the pH of the buffer? (4b) What is the pH of the buffer in part 4a after 10.0 mL of 0.100 MHC is added to the buffer (2d) (1) What is the pHi of a mixture of 20.0 mL of 0.100 MHCl and 30.0 mL of0.0500 MNaOH? (2) What is the pH of a mixture of 50.0 mL of 0.100 MHC,H,O, and 20.0 mL of o200 M KOH? (3) What is the pH ofa mixture of 40.0 mL of 0.100 MHNOj and 50.0 mL of 0.100 MNaOH? (4) What is the pH of a mixture of 25.0 mlL of 0.100 M HNO, and 10.0 mL of 0.100 MKOH? (5) What is the pH of a mixture of 20.0 mL of 0.100 MHCI and 40.0 mL of 0.0500 M KOH? (6) What is the pH at the equivalence point of the titration of 25.0 mL of 0.150 MHF with 0.100 MNaOH? (7) Determine the pH at the following points in the titration of 10.0 mL of 0200 M formic acid (HCHO) with 0.100 M NaOH (7a) At the start of the titration (7b) At the midpoint of the titration (Te) After 12.0 mL of NaOH has been added (7d) At the equivalence point (7e) After 22.0 mL of NaOH has been added K (HNO)-4.5 x 10 KdCH,NH,)-4.4 × 10 KACyH,N)-1.4×10-9 K (HCN)-4.9 x 10- KHF)-6.8 x 10* KANH,-1.8×10-5 K,(HNO,)-4.5x 10