Atoms
How many grams in 6.02 x 1023 atoms C?
12.01 g C
What is the mass (g) of 1.00 mol Li?
6.94 g Li
How many moles in 2.65 g Fe?
0.0474 or 4.74x10-2 mol Fe
What is Avogadro's Number?
6.02 x 1023
How is the mass in grams of the element converted to amount in moles?
Divide by the molar mass
How many moles in 3.011 x 1023 atoms Mg?
0.5000 mol Mg
How many atoms in 6.755 mol Pb?
4.067 x 1024 atoms Pb
How many grams in 6.50 moles Cu
416 or 4.16x102 g Cu
How many items are in a mole?
6.02 x 1023 items
How is the mass in grams of the element converted to number of atoms?
Divided by molar mass, then multiply by Avogadro's Number
How many grams in 1.05 x 1024 atoms Mg?
41.9 g Mg
How many moles in 0.00750 g Ag? (in scientific notation)
6.95 x 10-5 mol Ag
How many moles are in 0.535 g Zn?
0.00823 or 8.23 x 10-3 mol Zn
What is the molar mass of Iridium?
192.2 g/mol
What are the units for molar mass
g/mol
How many atoms in 0.250 mol S?
1.51 x 1023 atoms S
How many moles in 2.25 x 1025 atoms Zn?
37.4 mol Zn
How many grams in 4.50 x 1012 atoms Cl?
2.62 x 10-10 g Cl
What is the molar mass of Xenon?
131.3 g/mol
The mole is a _______ that measures _________ amounts of _________ things. (3 words)
The mole is a UNIT that measures LARGE amounts of SMALL things.
How many atoms in 0.02550 g Pt?
7.872 x 1019 atoms Pt
How many moles in 150 g S?
4.7 mol S
How many grams in 8.42 x 10 atoms Br?
1.12 x 10-20 g Br
How many moles and molecules are in 0.013g of NaCl?
2.2 x 10-4 moles of NaCl
1.2 x 1020 molecules of NaCl
1 mole of any substance is equal to ___________ and _________. (2 answers)
1 mole of any substance is equal to Avogadro's number and molar mass.