Topic 3. Quantitative Chemistry Flashcards
1
Q
What is Relative Formula Mass (Mr)?
A
The sum of the relative atomic masses of all atoms in a formula.
2
Q
How do you calculate Relative Formula Mass?
A
Identify the number of each type of atom in the formula.
Multiply the number of atoms by their respective relative atomic masses.
Sum these values.
3
Q
What is a Mole?
A
A mole is a unit that measures the amount of substance.
4
Q
What is Concentration?
A
Concentration measures how much solute is present in a given volume of solution.