State buffer before and after the addition of the substances

Reference no: EM13505776

Calculate the pH of 0.540 L of a 0.195 M NH4Cl -0.195 M NH3 buffer before and after the addition of the following substances. Assume that the volume remains constant.

Q1: Calculate the initial pH.
Express your answer using two decimal places.

Reference no: EM13505776

Questions Cloud

Calculate the final angular and linear speeds of the sphere : A solid sphere of radius = 8 cm and mass = 5 kg is sitting on a level table and is attached with a string over a pulley, Calculate the final angular and linear speeds of the sphere

Define how alkene or aromatic c-h stretches : Explain how alkene/aromatic C-H stretches are distinguished from alkane C-H stretches. Do the C-H stretch peaks in the IR spectra of triphenylmethanol, bromobenzene and benzophenone occur in the expected alkene/aromatic C-H stretching region

What are the final volume and pressure : suppose that .12 mol of nitrogen gas in contact with a thermal reservoir that holds the temperature fixed at T0=9.8C has an initial volume of 1.3L and does 14J of work

The court in which the partnership dissolution is pending : Are the attorneys representing A and B ethically bound to reveal the fraud either to the person who has been defrauded or to the court in which the partnership dissolution is pending?

State buffer before and after the addition of the substances : Calculate the pH of 0.540 L of a 0.195 M NH4Cl -0.195 M NH3 buffer before and after the addition of the following substances. Assume that the volume remains constant.

Depict the general reaction scheme for an amino acid : Draw the general reaction scheme for an amino acid reacting with ninhydrin and then draw the structures for each component in the solvent system of the following:

Compute break-even point using mathematical equation : Compute the break-even point in units using the mathematical equation.

State invent a salt which has a weak acid : Identify invent a salt which has a weak acid as it's cation and a weak base as its anion so that the salt would yield an acidic solution in water.

How far will the cannonball travel horizontally : A cannonball is fired out of a cannon at [50] m/s at [45] degrees above horizontal, on level ground. How far will the cannonball travel horizontally

User Account

All Pages