Which of the following dimensional analysis setups will correctly convert 27.76g of Li to atoms of Li?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-7

How many moles are in 16.94g of water?

• 16.94 mol H₂O
• 0.9401 mol H₂O
• 305.3 mol H₂O
• 1.063 mol H₂O

Tags

NGSS.HS-PS1-7

How many moles are in 9.8 grams of calcium? 

• 0.20 moles
• 4.1 moles
• 1.0 mole
• 392 moles

Which of the following dimensional analysis setups will correctly convert 2.50 moles of sodium to grams of sodium?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-7

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

What is Avogadro's Number? 

• 6.02 x 10²³
• - 6.02 10²³
• 6.02 x 10²²
• 6,020,000,000,000

Tags

NGSS.HS-PS1-7

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

• 24 molecules
• 180 molecules
• 180 g
• 6.02 x 10²³ molecules

Number of N atoms in (NH₄)₂CrO₄

• 1
• 2
• 8
• 16

Tags

NGSS.MS-PS1-1

How many grams is 1.2 moles of Neon?

• 0.05 grams
• 16.6 grams
• 21.2 grams
• 24 grams

Find the number of moles in 25 grams of HF?

• 1.2 mol HF
• 25 mol HF
• 0.8 mol HF
• 80. mol HF

Tags

NGSS.HS-PS1-7