The Mole Concept

How many atoms of iodine are in 1 mole of iodine?

• 53

• 63.55g

• 126.9

• 6.02 x 10²³

The number 6.02 x 10²³ is called...

• Obama's number

• Bohr's number

• Trump's number

• Avogadro's number

Which has more molecules?

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

Avogadro's number of representative particles is equal to one_____.

• kilogram
• gram
• kelvin
• mole

What is the molecular mass of one mole of HCl?

• 79.92 grams per mole of HCl

• 36.46 grams per mole of HCl

• 35.45 grams per mole of HCl

• 1.01 grams per mole of HCl

How many moles are in 4.3 x 10²⁴ molecules of H₂O?

• 6.02 x 10²³
• 7.14
• 18.02
• 128.66 

How many water molecules are in 5.2 moles of water?

• 6.02 x 10²³
• 5.2
• 3.1 x 10²⁴
• 8.638 x 10^-24

How do we get mass from moles?

• multiply by avogadro's number
• multiply by molar mass
• divide by avogadro's number
• divide by molar mass

We use the periodic table to calculate...

• mass
• molar mass
• moles

What would be the mass of 1.5mol H₂O

• 20
• 27
• 32
• 40

Tags

NGSS.HS-PS1-7