What's that mass
What is the atomic mass of magnesium?
24.31
When we refer to particles we are referring to
The term "particle" refers to the smallest unit of a substance that retains its chemical identity:
Atom (for individual elements)
Molecule (for covalently bonded compounds)
Formula unit (for ionic compounds)
How many moles in 14 grams of nitrogen?
1 mole
How many atoms of gold are in 1 mole of gold?
6.02 x 10^23
What is the mass of 6.02 x 10^23 atoms of oxygen?
16.00 grams
What is the atomic mass of selenium?
78.97
How many atoms are in a mole?
6.02 x 10^23
How many grams in 1 mole of lithium?
6.94 grams
What would be the empirical formula of: C8H18O4
C4H9O2
How many atoms is 35.45 grams of chlorine?
6.02 x 10^23 atoms
What is the atomic mass of bromine?
79.90
What is the conversion factor between atoms and moles?
1 mole= 6.02 x 10^23 atoms
What is the mass of 9.56 moles of polonium?
1998 grams
How many atoms of gold is 0.0355 moles of gold?
2.14 x 10^22 atoms
What is the mass of 3.78 x 1028 atoms of vanadium?
3.19 x 106 or 3,198,558.14 grams
What is the atomic mass of palladium?
106.42
What is the molar mass?
The mass in grams of one mole of the element
How many moles is 726 grams of titanium?
15.16 moles
What is the definition of empirical formula?
The simplest whole number ratio of elements in a compound.
What substance MUST the unknown fuel react with in a combustion reaction?
oxygen or oxygen gas
What is the atomic mass of mercury?
200.59
Who is 6.02 x 10^23 named after?
Avogadro's number
How many moles are in 486 grams of rhenium?
2.61 moles
How many moles of phosphorus is 2.336 x 10^24 atoms?
3.88 moles
What is the mass of 3.26 x 10^21 atoms of mercury?
1.09 grams