Mole Conversion Practice

Front

What are the units for molar mass?

Back

grams per mole

Front

How many moles of magnesium are in 3.01x10^22 atoms of magnesium?

Back

0.050 moles Mg

Front

You have 8.65 x 10^25 atoms of arsenic. How many grams do you have?

Back

10,765 g As

Front

Which represents the greatest number of atoms? 50.0 g Cs, 50.0 g Co, 50.0 g Ca, 50.0 g Cu

Back

50.0 g Ca

Front

Which of the following dimensional analysis setups will correctly convert 27.76g of Li to atoms of Li?

Back

Setup D

Front

Define a mole in chemistry.

Back

A mole is a unit that measures the amount of a substance, defined as 6.022 x 10^23 particles (atoms, molecules, etc.).

Front

What is Avogadro's number?

Back

6.022 x 10^23, the number of particles in one mole of a substance.

Front

How do you convert grams to moles?

Back

Divide the mass of the substance (in grams) by its molar mass (in g/mol).

Front

What is the molar mass of carbon (C)?

Back

12.01 g/mol

Front

How many atoms are in 1 mole of any substance?

Back

6.022 x 10^23 atoms.