Conversion Factors
This conversion factor is the definition of 1 mole.
What is 6.022 x 1023?
This is the number of moles in 98.5 grams of gold.
What is 0.5 moles (or half a mole)?
After dividing the 2 masses (elements/total compound), you must multiply by this number always to get the percent composition.
What is 100?
This is the empirical formula for N4O10.
What is N2O5?
This is the unit of molar mass.
What is grams/mole or g/mol?
This is where to look to find the mass of 1 mole of any element.
What is the periodic table?
This is the mass of 6.39 moles of table salt.
What is 373.8 grams?
This is the percent composition of hydrogen in water.
What is 11.1% H?
This is the empirical formula for a compound that has 48.0% C, 4.0% H and 48.0% O.
What is C4H4O3?
The unit of percent in percent composition.
What is percent or % ?
This is the conversion factor when converting between mass and # of moles.
What is molar mass?
This is the first step when calculating empirical formula.
What is percent to mass?
This is the percent composition of hydrogen in ammonium ion.
What is 22.2% H?
This is the empirical formula for a compound that has 36.0% C, 4.0% H, 28.0% N and 32.0% O.
What is C3H4N2O2?
The unit of measurement for the amount of substance, a quantity proportional to the number of elemental entities in a substance.
What is the mole?
This is how to find the molar mass of any COMPOUND.
What is the sum of (the number of atoms of an element times its molar mass)?
This is how many molecules are in 0.25 moles of ammonia (NH3).
What is 1.5 x 10²³ molecules of ammonia?
This is the percent composition of nitrogen in (NH4)2S?
What is 41.2% N?
This is the empirical formula for a compound that has 24.0 % C, 7.0 % H, 38.0 % F and 31.0 % P.
What is C2H7F2P?
This is a group of atoms bonded together that can take part in a chemical reaction.
What is a molecule?
This is the conversion factor for converting between moles and particles.
What is 6.02 x 1023?
This is how many moles are present in 3.4 x 1023 atoms of Na?
What is 0.564 moles?
What is the percent composition of oxygen in copper (II) phosphate?
What is 33.5% O?
This is the empirical formula of a compound that has 48.0 % C, 8.0 % H, 28.0 % N and 16.0 % O.
What is C4H8N2O?
These 3 units are also representative particles.
What are atoms (elements), ions and molecules (compounds)?