Mole Chemistry

How many molecules of sugar (C₆H₁₂O₆) are in a mole?

• 24 molecules

• 180 molecules

• 180 g

• 6.02 x 10²³ molecules

How many moles are in 3.01 x 10²² atoms of magnesium?

• 0.05 moles

• 1.81 x 10⁴⁶ moles

• 5.00 x 10²¹ moles

• 5 moles

What is the definition for Avogadro's number?

• number of grams per one mole of a substance

• whole number ratio that is a multiple of a chemical formula

• simplest, whole number ratio of a chemical formula

• 6.02 x 10^23 particles per one mole of a substance

How many grams are in 1.2 x 10²⁴ molecules of CO? (molar mass of CO = 28 g/mol)

• 28.2 g

• 55.8 g

• 6.02 g

• 1.2 g

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• 0.25 moles

• 0.5 moles

• 1 mole

• 2 moles

Tags

DOK Level 2: Skill/Concept

• 0.5 moles

• 0.86 moles

• 1 mole

• 1.5 moles

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DOK Level 2: Skill/Concept

Avogadro's number of representative particles is equal to one_____

• kilogram

• gram

• kelvin

• mole

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NGSS.HS-PS1-7

The mass of 1 mole is known as

• A mole

• Molar mass

• Percent Composition

• Grams

If a dozen = 12, how much does a mole equal?

• 18 g

• 184 g

Which has more molecules?

• mole H₂O

• mole Al(OH)₃

• mole NaCl

• They are all the same

Tags

NGSS.HS-PS1-7