Atoms
How many grams in 6.02 x 10^23 atoms of C?
12.01g of C
What is the mass (g) of 1.00 mol Li?
6.94g
How many moles in 2.65g of Fe?
0.0474 mol
What is Avogadro's Number?
6.02 x 10^23
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 10 ^23 atoms of Mg?
0.5000 mol of Mg
How many atoms in 6.755 mol of Pb?
4.068 x 10^23 atoms
How many grams in 6.50 moles of Cu?
413g
How many items are in a mole?
6.02 x 10^23 items
What is the tool I told you guys about that chemists use to determine the isotopic abundance associated with each element, as well as the mass of each isotope?
A mass spectrometer
How many grams in 10.5 x 10^23 atoms of Mg?
6.05g of Mg
How many moles in 0.00750g of Ag? (in scientific notation)
6.95 x 10^-5 mol
How many moles are in 0.535g of Zn?
0.00818 mol
What is the molar mass of Iridium?
192.2 g/mol
True or False: Molar mass and Atomic mass are the same thing, just different values.
False. Molar mass relates to the mass of moles only, while atomic mass relates to the mass of atoms only. They usually are the same value, though.
How many atoms in 0.250 mol of S?
1.51 x 10^23 atoms of S
How many moles in 2.25 x 10^25 atoms of Zn?
37.4 mol
How many grams in 4.50 x 10^12 atoms of Cl?
2.65 x 10^(-10)g
What is the molar mass of Xenon?
131.3 g/mol
What does amu (or sometimes even just u) stand for?
Atomic mass unit
How many atoms in 22 moles of Pt?
1.32 x 10^25 atoms of Pt
How many moles in 150 g S?
4.7 mol
How many grams in 8.42 x 10 atoms of Br?
0.00112g
What did I tell you to write next to every number/measurement when converting?
The unit/measurement name.
What is the example I gave you during the slideshow to help you understand isotopes?
Siblings!