Mole Conversions Flashcard

Front

What is a mole in chemistry?

Back

A mole is a unit of measurement used to express the amount of a substance. It is defined as the amount of substance that contains as many entities (atoms, molecules, etc.) as there are in 12 grams of carbon-12.

Front

How do you convert grams to moles?

Back

To convert grams to moles, use the formula: Moles = Mass (g) / Molar Mass (g/mol).

Front

What is the molar mass of H2S?

Back

The molar mass of H2S (Hydrogen Sulfide) is approximately 34.08 g/mol.

Front

How do you convert moles to grams?

Back

To convert moles to grams, use the formula: Mass (g) = Moles x Molar Mass (g/mol).

Front

What is the molar mass of H2O?

Back

The molar mass of H2O (Water) is approximately 18.02 g/mol.

Front

How do you calculate the molar mass of a compound?

Back

To calculate the molar mass of a compound, sum the molar masses of all the atoms in the compound's formula.

Front

What is the molar mass of PH3?

Back

The molar mass of PH3 (Phosphine) is approximately 34.00 g/mol.

Front

What is the molar mass of HCl?

Back

The molar mass of HCl (Hydrochloric Acid) is approximately 36.46 g/mol.

Front

What is the molar mass of KNO3?

Back

The molar mass of KNO3 (Potassium Nitrate) is approximately 101.10 g/mol.

Front

Convert 17.1g of H2S into moles.

Back

0.5 moles.