Element Symbols
Magnesium
What is Mg?
Water
What is 18.02 g/mol H2O?
This is how many moles there are in 17.8 g of Bromine.
What is .22 moles of Br?
This is the percent composition of Oxygen in water.
What is 88.79%?
This is the empirical formula for C3H12.
What is CH4?
Calcium
What is Ca?
Sodium chloride (NaCl)
What is 58.44 g/mol NaCl?
This is how many atoms are in 12.6 moles of gold.
What is 7.59 * 1024 atoms of gold?
This is the percent composition of Magnesium AND Nitrogen in Mg(NO3)2.
What is 16.39% Mg and 18.89% N?
This is the empirical formula for C63H54.
What is C7H6?
Chlorine
What is Cl?
Baking Soda (NaHCO3)
What is 84.01 g/mol NaHCO3?
This is how many grams are in 11.1 moles of Krypton.
What is 930.18 g of Krypton?
This is the percent composition of Sodium in NaOH.
What is 57.48% Na?
This is the definition for an empirical formula.
What is the simplest, most reduced whole-number ratio of atoms of each element present in a chemical compound?
Tungsten
What is W?
Iron (II) Phosphate, Fe3(PO4)2
What is 357.49 g/mol Fe3(PO4)2?
This is how many particles are in 3.2 g of Sulfur.
What is 6.008 * 1022 particles of Sulfur?
This is the percent composition of Carbon in C6H12O6.
What is 39.99% Carbon?
This is the empirical formula for 1.67 g of Ce and 4.54 g of I.
What is CeI3?
Zinc
What is Zn?
Ammonium Sulfide, (NH4)2S
What is 68.17 g/mol (NH4)2S?
This is how many grams are in 3.68 * 1021 molecules of NaCl.
What is .356 g of NaCl?
This is the percent composition of Nitrogen in N2S2.
What is 30.4% Nitrogen?
This is the empirical formula for a compound that is 36.5% Na, 25.4% S, and 38.1% O.
What is Na2SO3?