Mole Conversions

Front

What is the molar mass of Fluorine if its atomic mass is 19 amu?

Back

19 g/mol

Front

How many molecules are in one mole of any substance?

Back

6.02 x 10^23 molecules

Front

How many molecules are in 2.5 moles of NaCl?

Back

1.51 x 10^24 molecules

Front

How many moles are in 3.01 x 10^22 atoms of magnesium?

Back

0.05 moles

Front

What are the units for molar mass?

Back

grams/mole

Front

Define a mole in terms of particles.

Back

A mole is defined as 6.02 x 10^23 particles (atoms, molecules, ions, etc.).

Front

What is the relationship between grams and moles in terms of molar mass?

Back

Moles = grams / molar mass.

Front

If the molar mass of glucose (C6H12O6) is 180 g/mol, how many grams are in 2 moles of glucose?

Back

360 grams.

Front

What is the formula to convert moles to molecules?

Back

Molecules = moles x 6.02 x 10^23.

Front

How do you calculate the number of moles from a given mass?

Back

Moles = mass (g) / molar mass (g/mol).