The Mole and Avogadro's Number

What is a mole in chemistry?

• A small furry creature that digs holes in the ground

• A growth on your aunt's face with hairs sticking out of it

• A concept used to count extremely small particles in chemistry

• A unit of measurement for weight

Who first proposed the idea of the mole?

• Lorenzo Romano Amedeo Carlo Avogadro

• Albert Einstein

• Isaac Newton

• Marie Curie

When was Avogadro's idea of the mole proven correct?

• 1811

• 1856

• 1860

• 1900

What is Avogadro's number?

• 6.02 X 10²³

• 602 sextillion

• Both A and B

• None of the above

What is the size of a mole of water?

• 18.01 grams

• 18.01 milliliters

• 602 sextillion molecules

• All of the above

How much would a mole of donuts cover?

• The entire earth to a depth of eight kilometers

• The entire earth to a depth of five miles

• The entire earth to a depth of one kilometer

• The entire earth to a depth of one mile

What is the purpose of using the mole in chemistry?

• To count extremely small particles

• To measure weight

• To buy groceries

• To study animals

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How is a mole like a dozen?

• They both are equivalent to 6.02 X 10²³

• Moles like to eat donuts by the dozen.

• they are both terms that indicate a number of things

• None of the above

What is the quantity represented by a mole called?

• A molar quantity

• A molehill

• A mole fraction

• A mole ratio

How do chemists use the mole?

• To count particles in a sample

• To measure temperature

• To calculate volume

• To buy groceries

Tags

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