Mole Conversions

Atoms

100

How many grams in 60.2 x 10²³ atoms C?

12.01 g C

200

How many moles in 3.011 x 10²³ atoms Mg?

0.5000 mol Mg

300

How many grams in 10.5 x 10²³ atoms Mg?

6.05 g Mg

400

How many atoms in 0.250 mol S?

1.51 x 10²³ atoms S

500

How many atoms in 0.02550 g Pt?

7.872 x 10¹⁹ atoms Pt

Moles

100

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

6.94 g Li

200

How many atoms in 6.755 mol Pb?

4.068 x 10^23 atoms Pb

300

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

6.95 x 10^-5 mol Ag

400

How many moles in 2.25 x 10²⁵ atoms Zn?

37.4 mol Zn

500

How many moles in 150 g S?

4.7 mol S

Mixed

100

How many atoms are in 2.65 g Fe?

2.9x10²² atoms

200

How many grams in 6.50 moles Cu

413 g Cu

300

How many moles are in 0.535 g Zn?

0.00818 mol Zn

400

How many grams in 4.50 x 10¹² atoms Cl?

2.65 x 10^-10 g Cl

500

How many grams are there in 3.8x10²² atoms of He?

0.25 g He

Intro

100

What is Avogadro's Number?

6.02 x 10^23

200

How many items are in a mole?

6.02 x 10^23 items

300

What is the molar mass of Iridium?

192.2 g/mol

400

What is the molar mass of Xenon?

131.3 g/mol

500

When solving a problem that starts with 8 grams of Xe and solving for the number of Xe atoms, which do you not need to determine?

A. the molar mass of Xe

B. the charge of Xe

C. the number of atoms in one mole

B

Big ideas

100

Does one mole of any substance have the same number of particles?

Yes

200

Does one mole of any substance have the same mass?

No

300

What is the mass of a mole of an element?

The mass of the element found on the periodic table

400

What does amu stand for?

Atomic mass unit

500

What must your answer always have?

Units (mols/gram/atoms & element symbol)