7.1 Mole Relationships Honors

Multiple Choice

10 g is a measure of

• Mass

• Volume

• Density

Multiple Choice

10 cm³ is a measure of

• Mass

• Volume

• Density

Multiple Choice

The measure of the amount of matter in an object is called

• length

• height

• mass

• mole

Multiple Choice

The unit "gram" measures what?

• mass

• length

• height

• speed

Multiple Choice

Volume unit is

• Meter

• Candela

• Liter

• Mole

Multiple Choice

A ratio of equivalent values used to express the same quantity in different units; is always equal to 1 and changes the units of a quantity without changing its value

• conversion factor

• percent error

• dimensional analysis

• scientific notation

Multiple Choice

The graph shows the total mass as a function of the number of grapefruits. What is the slope of the best-fit line? What does this value mean?

• 1/4 , conversion between mass and number

• 1/2, conversion between mass and number

• 1/4 conversion between mass and volume

• 1/2, conversion between mass and temp

Multiple Choice

Assume 2.0 kg of apples is 1 dozen and that each apple has 8 seeds. How many seeds are in 14 kg of apples?

• 500

• 672

• 725

• 1000

Multiple Choice

The number 6.02 x 10²³ is called...

• Dalton's number

• Bohr's number

• Newton's number

• Avogadro's number

Multiple Choice

Which has more molecules?

• 1 mole H₂O

• 1 mole Al(OH)₃

• 1 mole NaCl

• There are all the same

Multiple Choice

A mole of Neon contains
6.02 x 10²³ _____.

• atoms

• formula units

• ions

• molecules

Multiple Choice

Atomic nitrogen

• Atom, N

• Molecule, N₂

• Formula Unit, N

Multiple Choice

Water

• Atom, H₂O

• Molecule, H₂O

• Formula Unit, H₂O

Multiple Choice

Sodium Chloride

• Atom, NaCl

• Molecule, NaCl

• Formula Unit, NaCl

Multiple Choice

How many moles is 2.17 × 10²³ representative particles of bromine gas?

• 0.129

• 0.257

• 0.360

• 0.560

Multiple Choice

How many moles is 2.80 × 10²⁴ atoms of silicon?

• 4.65

• 5.68

• 7.49

• 8.23

Multiple Choice

The mass of one mole of substance is called...

• molecular mass

• mole constant

• molar mass

• atomic weight

Multiple Choice

What is the molar mass of sodium?

• 11

• 22.99

• 45.98

• 3

Multiple Choice

How many moles are in 6 g of sulfur (S)?

• 0.19

• 0.36

• 0.60

• 1.36

Multiple Choice

How many moles are in 6 g of Aluminum (Al)?

• 0.22

• 0.48

• 0.60

• 1.36

Multiple Choice

How many moles are in 6 g of Boron (B)?

• 0.22

• 0.48

• 0.56

• 1.36

Multiple Choice

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol
• 35.453 g/mol
• 22.990 g/mol
• 58.443 g/mol

Multiple Choice

Calculate the molar mass for Al(OH)₃

• 78.0 g/mol

• 72 g/mol

• 28 g/mol

• 25 g/mol

Multiple Choice

Calculate the molar mass of Ba(C₂H₃O₂)₂

• 255.3 g/mol

• 237.3 g/mol

• 228.3 g/mol

• 196.3 g/mol

Multiple Choice

How would you solve the following problem: "How many moles in 28 grams of CO₂?"

• multiply by 22.4 L

• divide by 44.01 g

• multiply by 6.02x10²³ atoms

• multiply by 44.01 g

Multiple Choice

What is the mass of 0.89 mol of CaCl₂?

• 111 grams

• 0.008 grams

• 98.9 grams

• none of the choices

Multiple Choice

How many moles are in 32 grams of Oxygen (O)? 

• 3

• 2

• 1

• 4

Multiple Choice

What is the volume occupied by 1 mole of any gas at STP? 

• 44.8 L

• 22.4 L

• 16.8 L 

• 20.4 L 

Multiple Choice

What is the volume of 5 moles of oxygen gas at STP? 

• 112 L 

• 22.4 L

• 78.8 L 

• 114.24 L

Multiple Choice

How many moles are in a 18 L tank of nitrogen gas at STP? 

• 0.9 moles

• 1 mole

• 0.8 moles

• 0.75 moles 

Multiple Choice

A container with a volume of 893 L contains how many moles of air at STP?

• 20003.2 L

• 39.9 L

• 22.4 L

• none of the choices

Multiple Choice

Find the density: M=70g V= 30ml

D=M÷V

• 3.2g/ml

• 2.3g/ml

• 60g/ml

Multiple Choice

Find the Mass: D= 30g/cm3 V=2cm3

M=D X V

• 15g

• 15g/cm3

• 60g