Reactions
Conversion problems
Percent composition
Empirical Formula
Molecular Formula
100
A + B = AB.
What is the synthesis equation?
100
This is the unit used in formula mass.
What is amu?
100
After dividing the 2 masses (part/whole), you must multiply by this number always to get the percent composition.
What is 100?
100
This is the empirical formula for N4O10.
What is N2O5?
100
This is the difference between molecular formula and empirical formula.
What is empirical formula shows ratio of atoms while molecular formula shows the number of each atom in 1 molecule? (subscripts are different)
200
This reaction breaks down a compound into two elements.
What is decomposition?
200
This is where to look to find the atomic mass of any element.
What is the periodic table?
200
This is the percent composition of hydrogen in water.
What is 11.1% H?
200
This is the empirical formula for a compound that has C16H16O12 as its molecular formula.
What is C4H4O3?
200
This is the first step in calculating the molecular formula if empirical formula and molar mass of molecular formula is given.
What is find the molar mass of the empirical formula?
300
This is NH3.
What is N2 + H2?!
300
This is the unit used in gram formula mass.
What is grams?
300
This is the percent composition of hydrogen in ammonium ion.
What is 22.2% H?
300
The empirical formula of C6H8N4O4.
What is C3H4N2O2?
300
This is the molecular formula of a compound if its empirical formula is C2OH4 and it has a molar mass of 88 g/mol.
What is C4O2H8?
400
This is when a single element is replaced.
What is single replacement?
400
This is how many moles are in 25g of ammonia.
What is 1.47 moles?
400
This is the percent composition of nitrogen in (NH4)2S?
What is 41.2% N?
400
This is the empirical formula for a compound that has a molecular formula of C4H14F4P2.
What is C2H7F2P?
400
This is the molecular formula for a compound that has an empirical formula of C4H8N2O and a mass of 200 g/mol.
What is C8H16N4O2?
500
These are found on the right of an equation.
What is the products?
500
This is how many grams are in 1 mole of potassium hydroxide.
What is 56 g?
500
What is the percent composition of oxygen in copper (II) phosphate?
What is 33.5% O?
500
This is the name of the compound with the molecular formula C6H12O6.
What is glucose?
500
This is the molecular formula of a compound that has an empirical formula of C5H12N2 and a molar mass of 300 g/mol.
What is C15H36N6?
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