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100

How many grams in 6.022 x 10^23 atoms C?

12.01 g C

100

What is the mass (g) of 1.00 mol Li?

6.94 g Li

100

How many moles in 2.65 g Fe?

0.0474 mol Fe

100
What is Avogadro's Number?
6.02 x 10^23
100
How is the mass in grams of the element converted to amount in moles?
Divide by the molar mass
200

How many moles in 3.011 x 10 ^23 atoms Mg?

0.5 mol Mg

200
How many atoms in 6.755 mol Pb?
4.068 x 10^23 atoms Pb
200

How many grams in 6.50 moles Cu

413 g Cu

200
How many items are in a mole?
6.02 x 10^23 items
200
How is the mass in grams of the element converted to number of atoms?
Divided by molar mass, then multiply by Avogadro's Number
300

How many grams in 1.5 x 10^23 atoms Mg?

6.05 g Mg

300

How many moles in 0.00750 g Ag?

6.95 x 10^-5 mol Ag

300
How many moles are in 0.535 g Zn?
0.00818 mol Zn
300
What is the molar mass of Iridium?
192.2 g/mol
300

What is the mass of (NH4)2SO4 ?

132.14g/mol

400
How many atoms in 0.250 mol S?
1.51 x 10^23 atoms S
400

How many moles in 2.25 x 10^25 atoms Zn?

37.4 mol Zn

400
How many grams in 4.50 x 10^12 atoms Cl?
2.65 x 10^-10 g Cl
400
What is the molar mass of Xenon?
131.3 g/mol
400
What does amu stand for?
Atomic mass unit
500
How many atoms in 0.02550 g Pt?
7.872 x 10^19 atoms Pt
500
How many moles in 150 g S?
4.7 mol S
500

How many grams in 8.42 x 10^23 atoms Br?

111.7 g Br

500

How many moles are in 3.4 x 10-7 grams of silicon dioxide, SiO2?

5.7 x 10-9 mol

500

How many grams are in 2.3 x 10-4 moles of calcium phosphate, Ca3(PO4)2

 0.0713g