Mole Conversions

Atoms

100

How many moles in 60.2 x 10²³ atoms C?

1 mole C

200

How many moles in 3.011 x 10²³ atoms Mg?

0.5000 mol Mg

300

How many atoms are in 0.35 moles Mg?

2.1077 x 10²³ atoms Mg

400

How many atoms in 0.250 mol S?

1.51 x 10^23 atoms S

500

How many atoms in 0.02550 g Pt?

7.872 x 10¹⁹ atoms Pt

Moles

100

How many moles in 2.65 g of Fe?

0.0474 mol Fe

200

How many moles are in 0.535 g Zn?

0.00818 mole Zn?

300

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

6.95 x 10^-5 mol Ag

400

How many moles of SiO₂ are in 21 grams

0.35 moles SiO₂

500

How many moles in 150 g S?

4.7 mol S

Grams

100

How many grams are in 0.5 moles of Fe?

27.5 grams Fe

200

How many grams in 6.50 moles Cu

413 g Cu

300

How many grams are in 6 moles of O₃?

288 g of O₃

400

How many grams are in 5.5 moles of NaCl?

321.5 g Cl

500

How many grams  are in 3.0 x 10²³ atoms 0f H₃PO₄

49 grams of H₃PO₄

Molar Mass

100

What is the molar mass of Xenon?

131.3 g/mol

200

What is the mass of a mole for any element on the periodic table?

The amu of the element found on the periodic table

300

What is the molar mass of CO₂?

44.01 g/mol

400

What is the molar mass of 2NO₃?

124 g/mol

500

What is the molar mass of (C₆H₁₂O₆)₃?

540.18 g/mol

Miscellaneous

100

How is the mass in grams of the element converted to amount in moles?

Divide by the molar mass

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

What is the mass of a mole of an element?

The amu of the element found on the periodic table

400

What is Avogadro's Number?

6.022 x 10²³

500

When Mrs. Thomas gives you the mole conversions, you will feel confident in how to solve them?

yes and if no will ask for help