MOLE CONCEPT

It is fundamental unit of measurement of substances and defined as the number equal to 12.01 grams of carbon?

• molar mass

• atomic mass

• mole

• molecular mass

An Italian scientist who defined the constant value of one mole of a substance.

• Evangelista Torricelli

• Luigi Galvani

• Leonardo da Vinci

• Amedeo Avogadro

It is the number known to be as the Avogadro's number/constant?

• 6.122 x 10²³

• 6.022 x 10²³

• 6.122 x 10²⁴

• 6.022 x 10²⁴

The molar mass of any substance is its atomic mass, molecular mass, or formula mass in grams per mole.

• TRUE

• FALSE

Which statement is TRUE about the different substance having the same

number of moles?

• A. They have equal masses.

• B. They have equal numbers of particles.

• C. They have equal volumes per unit mass.

• D. They have the same amounts of energy.