Calculate the ph of a solution in hf and naf

Reference no: EM13698708

Question- 1) Calculate the pH of a solution that is 0.26M in HF and 0.15M in NaF. (Express your answer using two decimal places)

2) Calculate the pH of 0.285L of a 0.525M NaHSO3 - 0.285M Na2SO3 buffer before and after the addition of the following substances. Express all answers using two decimal places.

Part 1

Calculate the initial pH

Part 2

Calculate the pH after the addition of 5.0 mL of 0.210M HCl

Part 3

Calculate the pH after the addition of 5.0 mL of 0.120M NaOH

Please illustrate work if possible thanks

Reference no: EM13698708

Questions Cloud

What is the chemical reaction to the precipitate dissolves : Question- What is the chemical reaction to explain why the precipitate dissolves when hot water is added to the reaction mixture in the synthesis of 4-bromo-2-chloroaniline from 4-bromo-2-chloroacetanilide

Calculate the mass of o2 produced by decomposition of kclo3 : Question- Calculate the mass of O2 produced by decomposition of KClO3 when 706 ml of O2 is collected over water at 20.0C and 1.015 atm (The vapor pressure of water at 20.0 C is 17.5 torr)

What is the chemical reaction to explain why the reaction : Question- What is the chemical reaction to explain why the reaction mixture of 4-bromo-2-choloracetanilide and HCL forms a clear solution and then precipitate forms

Calculate the ph of a solution in hf and naf : Calculate the pH of a solution that is 0.26M in HF and 0.15M in NaF. Calculate the pH of 0.285L of a 0.525M NaHSO3 - 0.285M Na2SO3 buffer before and after the addition of the following substances. Express all answers using two decimal places.

What are kc and kp for the reaction : Question- 1.0 mole of SO2 (g) and 1.00 mole of O2 (g) are added to a 1.00-L container and react until equilibrium is achieved at 1000 K. At equilibrium, the container has 0.919 moles of SO3 (g). What are Kc and Kp for the following reaction

Explain why one mole of oxygen molecules exerts : Explain why one mole of oxygen molecules exerts the exact same pressure on the walls of a vessel as one mole of hydrogen molecule even though the mass of the oxygen molecule is 16 times greater than that of the hydrogen gas molecule.

What volume of base is needed to reach the end point : Question- The flask shown here contains 0.724 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.300 M NaOH. What volume of base is needed to reach the end point of the titration

The standard reduction potential for a substance : Question- The standard reduction potential for a substance indicates how readily that substance gains electrons relative to other substances at standard conditions.

User Account

All Pages