Questions from General Chemistry

Q: Write a conditional overall formation constant for [Fe(Ox)

Write a conditional overall formation constant for [Fe(Ox)3] 3− in terms of α2 for oxalic acid and the β value for the complex. Also express the conditional constant in terms of concentrations as in E...

Q: Propose a complexometric method for the determination of the individual components in

Propose a complexometric method for the determination of the individual components in a solution containing

Q: Given an overall complex formation reaction of / with

Given an overall complex formation reaction of with an overall formation constant of βn, show that the following relationship holds:

Q: The sulfate ion concentration in natural water can be determined by measuring

The sulfate ion concentration in natural water can be determined by measuring the turbidity that results when an excess of BaCl2 is added to a measured quantity of the sample. A turbidimeter, the inst...

Q: Why is a small amount of MgY2− often added to a

Why is a small amount of MgY2− often added to a water specimen that is to be titrated for hardness?

Q: An EDTA solution was prepared by dissolving 3.426 g of

An EDTA solution was prepared by dissolving 3.426 g of purified and dried Na2H2Y · 2H2O in sufficient water to give 1.000 L. Calculate the molar concentration, given that the solute contained 0.3% exc...

Q: A solution was prepared by dissolving about 3.0 g of

A solution was prepared by dissolving about 3.0 g of Na2H2Y⋅2H2O in approximately 1 L of water and standardizing against 50.00-mL aliquots of 0. 00397MMg2+ An average titration of 30.27 mL was require...

Q: A solution contains 1.569 mg of CoSO4 (155.

A solution contains 1.569 mg of CoSO4 (155.0 g/mol) per milliliter. Calculate

Q: What mass in grams of CO2 is evolved in the complete decomposition

What mass in grams of CO2 is evolved in the complete decomposition of a 2.300-g sample that is 38.0% MgCO3 and 42.0% K2CO3 by mass?

Q: At 25°C, what is the hydronium ion concentration in

At 25°C, what is the hydronium ion concentration in a. 0.100 M chloroacetic acid? b. 0.100 M sodium chloroacetate? c. 0.0300 M methylamine? d. 0.0300 M methylamine hydrochloride? e. 1.50 3 1023 M...