C3 Mole Q2

Vitamin C, also known as ascorbic acid, is water soluble and cannot be produced by the human body. Each day, a person's diet should include a source of Vitamin C, such as orange juice. Ascorbic acid has a molecular formula of C₆H₈O₆ and a molar mass of 176 grams per mole.

Determine the number of moles of vitamin C in an orange that contains 0.171 grams of vitamin C.

• 30.1 moles

• 1030 moles

• .000971 moles

• .0001 mole

Tags

NGSS.HS-PS1-7

Calculate the number of moles of chlorine atoms in 55g of copper (II) chloride.

• 0.41 moles

• 0.82 moles

• 1.6 moles

• .20 moles

Tags

NGSS.HS-PS1-7

Which has more molecules?

• 1 mole H₂O
• 1 mole Al(OH)₃
• 1 mole NaCl
• There are all the same

Tags

NGSS.MS-PS1-1

Which has more molecules?

• 1 mole H₂O
• 1 mole Al(OH)₃
• 1 mole NaCl
• There are all the same

What is the mass of 0.75 moles of (NH₄)₃PO₄?

• 0.0044 g

• 91 g

• 110 g

• 74 g

Tags

NGSS.HS-PS1-7

Which of the following would have the highest number of moles?

• 4g CO₂
• 15g H₂O
• 22g NaCl
• 100g AgCl

How many molecules are present in 135 g of Teflon C₂F₄

• 6.13 x 10²³ molecules

• 5.13 x 10²³ molecules

• 8.13 x 10 ²³ molecules

• 9.13 x 10²³ molecules

Tags

NGSS.HS-PS1-7

How many particles are in 13.5 grams of Beryllium?

• 1.5 particles
• 9 particles
• 4x10²³ particles
• 9x10²³ particles

Tags

NGSS.HS-PS1-7

Calculate the number of moles of Aluminum in a 2.04 mole sample of aluminum oxide, Al₂O₃.

• 2.04 moles
• 4.08 moles
• 6.12 moles
• 1.02 moles

Tags

NGSS.HS-PS1-7

Determine the number of
atoms in
2.50 moles of zinc.

• 1.51 x 10²⁴ atoms
• 4.15 x 10^-24 atoms
• 2.71 x 10^-22 atoms
• 163 atoms

Tags

NGSS.HS-PS1-7