Molar Mass

Front

What is the definition of molar mass?

Back

The mass of one mole of a substance, typically expressed in grams per mole (g/mol).

Front

How is molar mass calculated for a compound?

Back

By summing the atomic masses of all the atoms in the compound's formula.

Front

What is the molar mass of fluorine gas (F2)?

Back

38.00 g/mol.

Front

What is the molar mass of calcium nitrate, Ca(NO3)2?

Back

164.10 g/mol.

Front

What is the molar mass of sodium (Na)?

Back

22.99 g/mol.

Front

What is the molar mass of table salt (NaCl)?

Back

58.44 g/mol.

Front

Why is it important to know the molar mass of a substance?

Back

It is essential for converting between grams and moles in chemical calculations.

Front

What units are used to express molar mass?

Back

Grams per mole (g/mol).

Front

How does the molar mass of a compound affect its properties?

Back

It influences the compound's reactivity, phase, and behavior in chemical reactions.

Front

What is the relationship between molar mass and the ideal gas law?

Back

Molar mass is used to calculate the number of moles of a gas when using the ideal gas law (PV=nRT).