Calculations Flashcards
How do we work out moles?
Moles = Mass / Molecular Mass
How many particles are in one mole?
6.02 x 10²³
How do you convert from Celsius to Kelvin?
Add 273.
How do you convert from Kelvin to Celsius?
Subtract 273.
How many Pascals are in 1 Atm
100,000
How do we work out the volume of a gas?
Moles x 24
What is the ideal gas equation?
PV = nRT
How do we work out the concentration of a solution?
Concentration = Moles / Volume
What is molecular formula?
The actual number of atoms of each element in a compound.
What is empirical formula?
The simplest whole-number of atoms of each element in a compound.
What is a hydrated salt?
A salt that contains water.
What is an anhydrous salt?
A salt that contains no water.
How do we calculate Percentage Yield?
(Actual moles of desired product / Theoretical moles of desired product)x 100 = Percentage Yield
What is percentage yield?
A percentage of the amount of starting material that has been converted into the desired product.
What is atom economy?
A measure of the proportion of reactant atoms that become useful products.
