Mole Conversions RVHS

Front

What are the units for molar mass?

Back

grams/mole

Front

What percentage of the total atomic mass of carbon monoxide (CO) is composed of CARBON?

Back

42.87%

Front

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

Back

0.0500 moles

Front

If you want 1.55 moles of nitrogen trichloride, how many grams should you measure out?

Back

187 g

Front

How many atoms are in 1 mole of NaCl?

Back

6.02 x 10^23

Front

What is Avogadro's number?

Back

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

Front

How do you convert moles to grams?

Back

Multiply the number of moles by the molar mass of the substance.

Front

What is the molar mass of carbon dioxide (CO2)?

Back

44.01 g/mol.

Front

How do you calculate the percentage composition of an element in a compound?

Back

(mass of the element in 1 mole of the compound / molar mass of the compound) x 100.

Front

What is the relationship between moles and molecules?

Back

1 mole of any substance contains Avogadro's number of molecules.