Stoichiometry Conversions

How many moles of KMnO₄ are produced from 9.81moles of MnO₂?

• 4.91moles KMnO₄

• 19.6moles KMnO₄

• 9.81moles KMnO₄

• 2.45moles KMnO₄

How many grams of H₂O are made from 6.72mol KOH? (this is a 2-step problem)

• 0.187g H₂O

• 60.5g H₂O

• 242g H₂O

• 121g H₂O

How many grams of KOH are needed to form 29.1grams KCl? (this is a 3-step problem)

• 21.9g KOH

• 11.0g KOH

• 175g KOH

• 43.8g KOH

Tags

NGSS.HS-PS1-7

How many moles of H₂O are produced from 3.35moles Cu(NO₃)₂?

• 2.51moles H₂O

• 4.47moles H₂O

• 3.35moles H₂O

• 6.70moles H₂O

Tags

NGSS.HS-PS1-7

How many moles of Cu are needed to react with 155g HNO₃? (this is a 2-step problem)

• 0.923mol Cu

• 6.56mol Cu

• 0.116mol Cu

• 2.46mol Cu

Tags

NGSS.HS-PS1-7