a chemical formula of a compound that gives the proportions of the elements present in the compound
What is the empirical formula?
This person painted the Mona Lisa
Leonardo da Vinci
Percent composition of oxygen in CO2
What is 72.7%?
Law of conservation of mass
Mass cannot be created or destroyed in a chemical reaction, only rearranged.
Molar Mass of BaI
What is 391.138 g/mol?
What does the Empirical Formula tell us?
This formula tells us the simplest or most reduced ratio of elements in a compound.
This planet is the largest in our solar system
Jupiter
Percent composition of nitrogen in NH3
What is 82.4%?
Avogadro's number
6.022 x 1023 particles per mole.
Molar mass of NO
What is 30.01 g/mol?
What do we need to do to know the Moles of an atom?
We need to divide the percentage of the element by the atomic mass.
When listed in alphabetical order, this US state comes last
Wyoming
Percent composition of Na in NaNO₂
What is 33.33%?
Difference between an atom and a molecule?
Why is an atom is the smallest component of an element whereas a molecule is made up of two or more atoms?
This is the empirical formula of a molecule with a molecular formula of C6H12O6
What is CH2O?
What does an empirical formula not tell you?
The empirical formula does not show the actual number of atoms.
An onion
Percent Composition of CO3 in H2CO3
What is 96.75%?
Where do we find the Atomic number of an Element?
We find it in our periodic table aside from the element name atomic symbol, and atomic number
Amount of moles in 7630 grams of MgS
What are 135.34 moles of MgS?
What is the empirical formula of a compound containing 60.0% sulfur and 40.0% oxygen by mass?
S3O4
These are the names of Ms. Compton's children
Ember and Aspen
Percent Composition of NO3 in Mg(NO3)2
What is 83.53%?
Difference between empirical and molecular formulas?
What is the empirical formula gives the lowest whole-number ratio of the elements in the compound, while the molecular formula gives the actual numbers of atoms of each element in the compound? (closest answer wins)
The empirical formula of a compound containing 15.8% carbon and 84.2% sulfur
CS2