FINAL EXAM REVIEW PART 2

Front

Calculate the molar mass of KOH.

Back

56.1 g/mol

Front

What does a mole represent?

Back

The number of particles of a substance (Avogadro's number)

Front

How many atoms are found in 2.30 moles of CO? (Show your work for extra credit!)

Back

Option 1

Front

What is the Law of Conservation of Mass?

Back

States that mass CANNOT be created nor destroyed.

Front

How many grams are in 0.6144 moles of Chromium? (Show your work for extra credit!)

Back

32.0 g Cr

Front

Define molar mass.

Back

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

Front

What is Avogadro's number?

Back

6.022 x 10^23, the number of particles in one mole of a substance.

Front

Explain the concept of stoichiometry.

Back

The calculation of reactants and products in chemical reactions based on the balanced equation.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.