The Mole

Multiple Choice

Calculate the molar mass of Al(NO3)₃

• 212.99 g/mol

• 212.99 g

• 184.9 g/mol

• 202 g/mol

​Mole Map

Multiple Choice

How many atoms ( particles) are there in 2 moles of silver :

remember!

1 mole of silver has 6.02 X 10²³

• 12.04 X10²³

• 6.02 X10²³

• 3.01 X10²³

Multiple Choice

How many molecules are there in 5.5 moles potassium chloride?

• 4.08 x 10^-24

• 3.31 x 10²⁴

• 33.11

• 0.98

Multiple Choice

How many students are there in 31.8 moles of students?

• 5.28 x 10^-23 students
• 1.91 x 10²⁵ students
• 5.28x 10-²⁵  students
• 1.91 x 10²² students

Multiple Choice

Determine the number of atoms in 0.50 moles of zinc.

• 0.30 x 10²⁴ atoms

• 4.15 x 10^-24 atoms

• 2.71 x 10^-22 atoms

• 303 atoms

Multiple Choice

How many moles is 4 grams of silicon?

• 4 moles

• 0.14 moles

• 28.085 moles

• 1.4 moles

find how many mole is your mass, then convert to particles

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​Grams to Particles

Multiple Choice

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

Multiple Choice

How many formula units are there in 2.45 moles potassium chloride?

• 4.07 x 10^-24 
• 1.47 x 10²⁴ 
• 1.47
• 4.07

Multiple Choice

How many grams are 2.85 x 10²² atoms of iron?

• 4.73 x 10^-4 moles
• 1.72 x 10⁴ moles
• 1.72 x 10^-42 moles
• 0.047 moles