Other Chemistry Answers

Why 2M of sulphuric acid is stronger than 18M of sulphuric acid

A sample (m = 0.6914 g) containing only MgSO4 and K2SO4 is treated with a barium nitrate-solution. Formulate the reaction equation(s) for this procedure. Calculate the percentage of each salt in the mixture, when 0.9797 g of dried precipitate were obtained?

Iron-ions can be quantified by a gravimetric as well as by a titrimetric method. Compare

both methods regarding their advantages and disadvantages, their applicability for iron present in different matrices, LOD and other method characteristics?

What will be the volume of a 3.0M solution using 1.0g of NaCl?

Consider the neutralization reaction that occurs upon the reaction of aqueous potassium hydroxide with aqueous hydrochloric acid.


Write a complete ionic equation for this neutralization reaction.

Write a net ionic equation for this neutralization reaction. Identify all of the phases in your answer.

Solution A has a pH of 3. Solution B has a pH of 6.

Which solution is more acidic?

By how many times?

What is the conjugate acid of HCO3−? What is the conjugate base of it?

Suppose 0.0100 mole of Ba(OH)2 is dissolved in enough water to give 469.5 mL of solution.

What is the OH− concentration?

What is the pOH?

What is the pH?

Suppose 2.17 mol of HCl is dissolved in enough water to give 504.5 mL of solution.

What is the H3O+ concentration?

What is the pH?

A balloon is filled with 10 L of air at a pressure of 1400 torr. What is the pressure of the balloon if the volume is

changed to 5 L?

Which of the following bases produces two OH- ions per formula unit of base when dissolved in water?

Ammonia

Aluminum hydroxide

Potassium hydroxide

Calcium hydroxide