Moles and empirical formulas

 Avogadro's number of representative particles is equal to one_____.

• kilogram

• gram

• Kelvin

• mole

What is Avogadro's Number? 

• 6.02 x 10²³

• - 6.02 10²³

• 6.02 x 10²²

• 6,020,000,000,000

The mass of one mole of an element is equal to

• its atomic number from the periodic table, but in amus.

• its atomic mass from the periodic table, but in amus.

• its atomic mass from the periodic table, but in grams.

• its atomic number from the periodic table, but in grams.

The molar mass of an element is the mass of one ____ of the element.

• atom

• pound

• mole

• gram

 Where do you look to calculate the molar mass?

• avogadros number

• periodic table 

What is the difference between the a formula mass and a molar mass?

• units

• density

• volume

• chemical properties

A mole of Neon contains6.02 x 10²³ _____.

• molecules

• formula units

• ions

• atoms

 

One mole of carbon dioxide (CO₂) contains 6.02 x 10²³ _____.

• atoms

• molecules

• formula units

• ions

A mole is the SI unit for:

• mass

• volume

• amount of a substance

• area

What is the conversion factor that should be used to determine how many molecules are there in 4.00 moles of glucose, C₆H₁₂O₆?

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