Describe how you would prepare each of the following aqueous solutions: (a) 1.50 L of 0.110 M 1NH422SO4 solution, starting with solid 1NH422SO4;

Key Concepts

Molarity (M)

Molarity is a measure of concentration defined as the number of moles of solute per liter of solution. It is expressed in moles per liter (mol/L) and is crucial for preparing solutions accurately. To prepare a solution of a specific molarity, one must calculate the amount of solute needed based on the desired volume and concentration.

Stoichiometry

Stoichiometry involves the calculation of reactants and products in chemical reactions. In the context of preparing solutions, it helps determine the mass of the solute required to achieve a specific molarity. Understanding stoichiometric relationships is essential for accurately measuring and mixing chemicals to create desired concentrations.

Dissolution Process

The dissolution process refers to how a solute interacts with a solvent to form a solution. When solid ammonium sulfate (1NH4)2SO4 is added to water, it dissociates into its constituent ions, which then become evenly distributed throughout the solvent. This process is important to understand to ensure complete solvation and uniform concentration in the final solution.