an aqueous solution of NaZ is prepared by dissolving 0.350 mol of NaZ in enough water to yield 1.0 L solution. The pH of the solution is 8.93 calculate kb of z-
Start with equation z-+H2O yields HZ=OH- 2.1x 10^-10
an aqueous solution of NaZ is prepared by dissolving 0.350 mol of NaZ in enough water...
Z- is a weak base. An aqueous solution of NaZ is prepared by dissolving 0.550 mol of NaZ in sufficient water to yield 1.0 L of solution. The pOH of the solution was 4.07 at 25.0 °C. The Kb of Z- is OA 1.3 x 10-11 OB.6.9 x 10-9 OC 2.1 x 10-10 OD.1.3 10-8 OE 2.8 x 10-12
QUESTION 2 Z is a weak base. An aqueous solution of Na2 is prepared by dissolving 0.350 mol of Naz in sufficient water to yield 2.0L of solution. The pH of the solution was 893 at 250°C The Koof is 9.510 1210-5 2110-10 4-10-10
1. Calculate the pH of a solution prepared by dissolving 0.850 mol of NH3 and 0.350 mol of NH4Cl in water sufficient to yield 1.00 L of solution. The Kb of ammonia is 1.77 × 10-5 (a) 5.137 (b) 4.367 (c) 9.633 (d) 8.781 (e) 8.863 2. A 0.1 M solution of which of the following willl have the highest pH? (a) KCN, Ka of HCN = 4.0x10-10 (b) NH4NO3, Kb of NH3 = 1.8x10-5 (c) NaOAc, Ka of HOAc...
QUESTION 7 HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 4.93 at 25.0 °C. The Ka of HZ is _ 1.2 x 10-5 6.9 x 10-9 1.4 x 10-10 9.9 x 10-2 2.8 x 10-12
What is the pH of a solution which is prepared by dissolving .85 mol of NH3 and .30 mol of NH4CL in water to yield 1.00 L of solution? (The Kb is 1.77x10^-5)
a solution is prepared by
combining the following: 200mL .1 M H2SO4 100mL .2 M NaOH 700mL
.143 M K2SO4 The pH of the solution = 3.6 What is the Ka of
HSO4?
rißPIPd An aqueous solution of NaF is prepared by dissolving 0.350 mol of NaF in sufficient water to yield 1.0 L of solution. The pH of the solution was 8.93 at 25.0 °C. The Kb of F- is Styles Eupp You are asked to prepare 100 ml...
A solution was prepared with 0.346 mol of pyridinium fluoride (CH-NHF) and enough water to make a 1.00 L. Pyridine (CHșN) has a Kb = 1.70 x 10-9 and HF has a Ka = 6.30 x 10-4. Calculate the pH of the solution. pH =
Calculate the pH of a solution prepared by dissolving 0.30 g of Na2O in enough water to make 0.500 L of solution.
Calculate the pH of a solution prepared by dissolving 0.50 g of Na2O in enough water to make 0.600 L of solution.
A solution was prepared with 0.301 mol of pyridinium fluoride (C-H NHF) and enough water to make a 1.00 L. Pyridine ( CzH;N) has a Kb = 1.70 x 10-9 and HF has a Ka 6.30 x 10-4 = Calculate the pH of the solution. pH = Enter numeric value