Moles to Grams and Grams to Moles Practice

What is the mass of 0.89 mol of CaCl₂?

• 111 grams

• 0.008 grams

• 98.9 grams

• none of the choices

If you were converting from moles Z to grams Z, which conversion factor would you use?

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If you want 1.55 moles of nitrogen trichloride, how many grams should you measure out?

• 0.0129 g

• 120. g

• 187 g

• 9.33 g

If you were converting from grams Z to moles Z, which conversion factor would you use?

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Tags

NGSS.HS-PS1-7

• 0.5 moles

• 0.86 moles

• 1 mole

• 1.5 moles

Tags

DOK Level 2: Skill/Concept

• 32 g

• 48 g

• 64 g

• 96 g

Tags

DOK Level 3: Strategic Thinking

• 0.25 moles

• 0.5 moles

• 1 mole

• 2 moles

Tags

DOK Level 2: Skill/Concept

The mass of 1 mole is known as

• A mole

• Molar mass

• Percent Composition

• Grams

Using the balanced chemical equation: Mg + 2 HCl --> MgCl₂ + H₂ How many grams of MgCl₂ is produced if 4.67 moles of HCl react?

• 219 g MgCl₂

• 4.67 g MgCl₂

• 94 g MgCl₂

Tags

NGSS.HS-PS1-7

Using the balanced chemical equation: 4NH₃ + 3O₂ --> 2N₂ + 6H₂O Determine the amount of grams of N₂ is produced if 4.03 moles of NH₃ react?

• 28.0 g N₂

• 56.4 g N₂

• 2.02 g N₂

Tags

NGSS.HS-PS1-7