Final Exam Practice

Front

Calculate the molar mass for Al(OH)₃

Back

78.0 g/mol

Front

What is the molarity of a solution containing 20.0 grams of CaCl₂ in 600ml of solution?

Back

0.30M

Front

Which of the following is not a way to increase the rate of solvation?

Back

Cooling down the solvent

Front

Identify the Electron Configuration for Aluminum (Al)

Back

1s² 2s² 2p⁶ 3s² 3p¹

Front

How many grams are in 7.8 moles of NaCl?

Back

452 grams

Front

Define molar mass.

Back

The mass of one mole of a substance, typically expressed in grams per mole (g/mol).

Front

What is molarity?

Back

A measure of the concentration of a solute in a solution, expressed as moles of solute per liter of solution (mol/L).

Front

What factors affect the rate of solvation?

Back

Temperature, surface area of the solute, and mixing of the solution.

Front

What is the formula for calculating molar mass?

Back

Sum of the atomic masses of all atoms in a molecule.

Front

What is the significance of electron configuration?

Back

It describes the distribution of electrons in an atom's orbitals, influencing chemical properties.