Last Mole Review

How many elements are in 2 C₆H₁₂O₇? (a)  

How many C: ​ (b)  

How many H: ​ (c)  

How many O: ​ (d)  

How many TOTAL atoms: ​ (e)  

• 3
• 12
• 24
• 14
• 50
• 7
• 6
• 25
• 52
• 60

Tags

NGSS.HS-LS1-6

NGSS.HS-PS1-7

How many moles are in 3.10 x 10²³ particles of gold?

• 0.515 mol

• 515 mol

• 520 mol

• 2.00 mol

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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Tags

NGSS.HS-PS1-7

How many molecules are in 2.00 moles of H₂O?

• 124x10²⁴ molecules of H₂O

• 1.20x10²³ molecules of H₂O

• 1.20 x10²⁴ molecules H₂O

• 124

What is the molar mass of B₂(CO₃)₃?

• 81.632 g/mol
• 94.842 g/mol
• 38.822 g/mol
• 201.648 g/mol

What is the molar mass of PbSO₄

• 303.3 g/mol
• 294.7g/mol
• 163.8g/mol
• 372g/mol

Tags

NGSS.HS-PS1-7

Which conversion factor would you use to complete the following conversion?

5.00 grams of Co to moles

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How many moles are in 8.30 X 10²³ molecules of H₂O?

• 1.38 X 10²³ moles H₂O

• 1.38 moles H₂O

• 2 moles H₂O

• 1 mole H₂O

Tags

NGSS.HS-PS1-7

How many moles there are in 5.68 x 10²⁴ formula units of AlCl₃?

• 3.42 x 10²⁴ moles

• 9.44 x 10²⁴ moles

• 9.44 moles

• 3.42 moles

What are the units for molar mass?

• grams
• amu
• grams/mole
• liters