25-26 Unit 7 Lesson 4: Quiz 1 and mole foldable

Use the equation to answer the following questions:
2 Al  +     6 HCl  🡪   2 AlCl₃ +    3 H₂

1) Calculate the molar mass of HCl



2) How many moles are in 25 g HCl?

3) Calculate the molar mass of AlCl₃



4) How many grams are in 2.5 mol of AlCl₃?

5) How many moles of H₂ are produced when 5 moles of HCl are reacted with excess Al?



6) How many moles of H₂ are produced when 5 moles of Al are reacted with excess HCl?

Quiz Day protocol

• Quiz is on paper: NO CHROMEBOOKS

• No phones, smartwatches or airpods/headphones. These need to be in your numbered pouch at the front of the room. You will receive a zero on the quiz/test if you do not follow this rule.

• Eyes on your own paper. If I see you looking at someone else's quiz, you will receive a zero on the quiz.

• No leaving the classroom. If you need to use the bathroom (unless it is an absolute emergency) or get a drink, do so BEFORE or AFTER class.

• No talking. Even if you finish before others, still no talking, or you will receive a zero on the quiz/test.

• When you finish, use the pictures below to make your MOLE FOLDABLE