Atoms
Moles
Grams
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100

How many grams in 6.02 x 1024 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?

6.022 x 1023

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 1023 atoms Mg?

0.5000 mol Mg

200

How many atoms in 6.755 mol Pb?

4.068 x 1023 atoms Pb

200
How many grams in 6.50 moles Cu
413 g Cu
200

How many particles are there in a mole?

6.022 x 1023 

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 1.05 x 1024 atoms Mg?

6.05 g Mg

300

How many moles in 0.00750 g Ag? (in scientific notation)

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 Manganese, Tellurium, Strontium, and Gold?

54.94 g/mol, 127.60 g/mol, 87.62 g/mol, 196.97 g/mol

300

Where can you find the molar mass of an element?

In the periodic table, below the element symbol.

400

How many atoms in 0.250 mol S?

1.51 x 1023 atoms S

400

How many moles in 2.25 x 1025 atoms Zn?

37.4 mol Zn

400

How many grams in 4.50 x 1012 atoms Cl?

2.65 x 10-10 g Cl

400

What is the molar mass of Xenon, Copper, Potassium, and Phosphorus?

131.29 g/mol, 63.55 g/mol, 39.10 g/mol, 30.97 g/mol

400
What does amu stand for?
Atomic mass unit
500

How many atoms in 0.02550 g Pt?

7.872 x 1019 atoms Pt

500
How many moles in 150 g S?
4.7 mol S
500

How many grams in 8.42 x 101 atoms Br?

0.00112 g Br

500

What is the molar mass of H2O, CH4, and CO2?

18.02 g/mol, 16.04 g/mol, 44.01 g/mol

500

How do you find the molar mass of a chemical compound such as C2H6?

Count the number of atoms per element and multiply the number by the molar mass of the element. Add all numbers together.

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