Chemistry 1 Chapter 6 Molar mass, Molar conversions and % Composition
In order to convert grams to moles, I use...
molar mass, (1 mole/ grams)
In order to convert moles to grams, I use...
molar mass, (grams/ 1 mole)
What is the percentage composition of CF₄?
13.6% C, 86.4% F
calculate the molar mass of copper(II) sulfate, CuSO₄
159.62 moles/grams
What is the percentage composition of CuCl₂?
47.27% Cu, 52.73% Cl
1 mole of any element has __________atoms
6.02 X 10 ^23
1 mole of gold has _____________ atoms
6.02 X 10 ^23
1 mole of silver has_____________ atoms
6.02 X 10 ^23
1 mole of water contains how many molecules?
6.02 X 10 ^23 MOLECULES, not atoms
What is the molar mass of magnesium chloride, MgCl₂? Mg =24.3 g, Cl = 35.4 g
95.21 grams
the molar mass of an element
atomic mass in grams/mole
The molar mass of Magnesium Iodide, MgI₂, is...
1 x 24+ 2x127= 278 grams/ 1 mole
In order to convert moles to atoms (or molecules), I use...
Avogadro's number: 6.02 X 10 ^23 atoms/ 1 mole
molar mass of a molecule
Take the subscript of an element and multiply by the atomic mass of each element in the compound, then add them together.
