# C3 Quantitative Chemistry Flashcards

What is relative formula mass?

Total relative atomic masses in a compound.

what is conservation of mass?

total mass of reactants = total mass of products.

What is the equation for moles?

Moles = mass / relative atomic/formula mass

How many cm3 are there in 1dm3?

1000cm3 = 1dm3

What is percentage yield?

What mass of product is made in a reaction in reality, compared to the maximum theoretical mass that could be made.

What is the equation for percentage yield?

total mass of products / total mass of reactants x 100

What is atom economy?

Tells you how much of a desired product can be made in a reaction compared to the total mass of reactants.

What is the equation for atom economy?

RAM of desired product / total RAM of reactants x 100

What is gas volume?

1 mole of any gas takes up a volume of 24dm3 (this is true for room temp and pressure)