Moles
A mole measures this.
What is the number of particles?
The molar mass of an element is equal to this number.
What is the atomic mass?
Percent composition is the percent by ____ of each element in a compound.
What is mass?
This is the simplest whole ratio of elements in a compound.
What is empirical formula?
We can use this to pull mole ratios and identify relationships between compounds in a chemical equation.
What is a balanced equation?
The number of particles in a mole.
What is 6.022 x 1023?
The formula mass of H3BO3.
What is 61.83 grams?
In order to calculate the percent composition, you need this.
What is formula mass of compound?
Or
What is molar mass of each element?
The empirical formula for C6H18O3.
What is C2H6O?
The mole ration between sodium and hydrogen gas in the following chemical equation. HCl + Na —> NaCl + H2
What is 2:1?
(Carbon or Phosphorus) weighs more than one mole of aluminum.
What is phosphorus?
The number of moles in 200 grams of Mg(OH)2.
What is 3.43 moles?
Oxygen makes up this percent of carbon dioxide.
What is 72.7%?
The empirical formula of an unknown compound with the composition 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen.
What is CH2O?
The number of moles of CBr4 produced when you start with 7.3 moles of Br2. CF4 + 2Br2 → CBr4 + 2F2
What is 3.65 moles?
Compare the number of particles in one mole of arsenic and one mole of hydrogen. (More, less, equal)
What is equal?
The number of molecules in 3.8 moles of phosphorus pentachloride.
What is 2.29 x 1024 molecules of phosphorus pentachloride?
Iron makes up this percent of Fe2O3.
What is 70%
Epinephrine's molecular formula with a composition of 62.31% C, 7.84% H, 20.75% O, and 9.09% N and has a molecular formula mass of 154 g/mol.
What is C8H12NO2?
The number of grams of Br2 are needed to produce 8.2 moles of NaBr. 2NaF + Br2 → 2NaBr + F2
What is 655.18 grams?
Avogadro’s number is based on the number of particles in 12 grams of this element.
What is carbon-12?
The number of grams found in 4.27 x 1024 particles of Na2CO3.
What is 751.33 grams?
Nitrogen makes up this percent of dinitrogen tetrasulfide.
What is 18%
The empirical formula of an unknown organic compound with a composition of 50.84% C, 8.53% H and the rest being oxygen.
What is C5H10O3?
The number of grams of NF3 produced when you start with 77 grams of F2. N2 + 3F2 → 2NF3
What is 95.93 grams?