The Mole Review

How many atoms of iodine are in a mole of iodine?

• 53
• 63.55g
• 126.9
• 6.02 x 10²³

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How many particles (atoms) would be in 8.4 moles of Octane (C₈H₁₈)?

• 5.77 x 10²³
• 5.04 x 10²⁴
• 5.77 x 10²⁶
• 5.04 x 10²³

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Which has more molecules?

• 1 mole H₂O

• 1 mole Al(OH)₃

• 1 mole NaCl

• They are all the same

There are ______ number of molecules (atoms) of NaCl in one mole of NaCl?

• 6.022 x 10²³

• 1 mole

• 2 moles

• 1 atom

How many Carbon Atoms are in 4.52 moles of Carbon?

• 6.02 x 10²³
• 1.33 x 10²³
• 4.52
• 2.72 x 10²⁴

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How many water molecules are in 5.2 moles of water?

• 6.02 x 10²³
• 5.2
• 3.1304 x 10²⁴
• 8.638 x 10^-24

How many atoms of carbon are in 6.00g of carbon?

• 1.20x10²⁴atoms C
• 6.02x10²³atoms C
• 3.01x10²³atoms C
• 1.50x10²³atoms C

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NGSS.HS-PS1-7

How many grams are in 1.2 x 10²⁴ molecules of CO?

• 28 grams
• 56 grams
• 6.02 grams
• 1.2 grams

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NGSS.HS-PS1-7

What is the mass of 0.89 mol of CaCl₂? [Ca=40 ; Cl=35.5]

• 111 grams

• 0.008 grams

• 98.79 grams

• 124.72 grams

How many atoms would be contained in 452 grams of iron (Fe #26)?

• 4.19 x 10^-20 atoms Fe

• 55.85 atoms Fe

• 4.87 x 10²⁴ atoms Fe

• 1.52 x 10²⁸ atoms Fe

• 1.34 x 10^-23 atoms Fe

Tags

NGSS.HS-PS1-7