The Mole - Measuring Matter

What is the mole used for? 

• To measure the amount of grams in a substance
• To measure the amount of atoms or molecules in a substance
• To measure the amount of energy in a substance
• To measure the amount of bonding in a substance 

What is Avogadro's Number? 

• 6.02 x 10²³
• - 6.02 10²³
• 6.02 x 10²²
• 6,020,000,000,000

Tags

NGSS.HS-PS1-7

How many atoms are in 1 mole of NaCl? 

• 6.02 x 10²³
• 58 
• 11
• 17

Tags

NGSS.HS-PS1-7

The mole is a...

• Unit to measure the amount of atoms in a substance

• Unit to measure distance

• Unit to measure time of atomic decay

• Unit used to measure the size of each atom in a substance

Which has more molecules?

• 1 mole H₂O
• 1 mole Al(OH)₃
• 1 mole NaCl
• There are all the same

Tags

NGSS.MS-PS1-1

Determine the amount of moles in 4.50 x 10²³ atoms of fluorine.

• 9.03 x 10⁴⁶ moles
• 0.757 moles
• 4.73 moles
• 0.0131 moles

Tags

NGSS.HS-PS1-7

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

How many moles are 2.85 x 10²⁰ atoms of iron?

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

Tags

NGSS.HS-PS1-7

Convert 1.5 moles of beryllium oxide to molecules

• 25.01 molecules
• 9.0 x 10²³ molecules
• 0.12 molecules
• 1.80 x 10²⁴ molecules

Tags

NGSS.HS-PS1-7

Five moles of Cl₂ has the same number of particles as five moles of O₂

• True

• False