Moles to Grams Stoichiometry

What is the mass of 2 moles of CO2?

• 66.02 grams

• 88.02 grams

• 132.04 grams

• 44.01 grams

If 0.5 moles of Al react with excess HCl, how many grams of AlCl3 are produced in the reaction 2Al + 6HCl -> 2AlCl3 + 3H2?

• 72.89 grams

• 45.32 grams

• 60.14 grams

• 66.67 grams

Tags

NGSS.HS-PS1-7

Calculate the mass of K2SO4 that contains 0.2 moles of K.

• 39.215 g

• 28.943 g

• 45.678 g

• 34.852 g

What is the mass of 3 moles of Na2SO4?

• 142.05 grams

• 213.07 grams

• 426.14 grams

• 284.10 grams

How many grams are in 3.30 mol of potassium sulfide?

• 363 g

• 454 g

• 238 g

• 132 g

Tags

NGSS.HS-PS1-7

• 32 g

• 48 g

• 64 g

• 96 g

Tags

DOK Level 3: Strategic Thinking

• 32 g

• 48 g

• 64 g

• 96 g

Tags

DOK Level 3: Strategic Thinking

• 18 g

• 36 g

• 54 g

• 72 g

Tags

DOK Level 2: Skill/Concept

If 4 moles of O2 react with excess CH4, how many grams of CO2 are produced in the reaction CH4 + 2O2 -> CO2 + 2H2O?

• 176.04 grams

• 88.02 grams

• 44.01 grams

• 352.08 grams

Tags

NGSS.HS-PS1-7

How many moles are present in 25 grams of NaCl?

• 0.427 moles

• 0.150 moles

• 0.625 moles

• 0.312 moles

Tags

NGSS.HS-PS1-7