Moles

The process of canceling out units is called

• Dimensional Analytics

• Dimensional Analysis

• Dimensional Math

When you use dimensional analysis remember that Ratios...

• are fractions

• are not fractions

Is this statement true or false when using dimensional analysis? 12/1 not equal to 1/12

• true

• false

Is this statement true or false when using dimensional analysis? 12 cookies/1 dozen = 1 dozen/12 cookies

• true

• false

Ratios are ___________ factors

• scientific

• chemistry

• conversion

• diversion

Knowing that 12 cookies are in one dozen...How many cookies are in 4.5 dozen?

• 24

• 54

• 28

• 68

We use the word _____ to measure the amount of a substance.

• dozen

• gross

• liter

• mole

1 mole is equal to

• 1 mole

  6.02 X 11²⁵ items

• 1 mole

  6.02 X 11²³ items

• 1 mole

  6.02 X 10²⁵ items

• 1 mole

  6.02 X 10²³ items

1 mole is equal to

• 6.022X10²⁵ atoms

• 6.022X10²³ atoms

• 6.02X10²³ atoms

• 6.022X10²⁷ atom

Why do scientists need the unit of mol?

• it is the most appropriate unit when dealing with atoms

• it is the most appropriate unit when dealing with chemicals

• it is the most appropriate unit when dealing with scientific equations