How many formula units are there in 5.5 moles potassium chloride?

• 4.08 x 10^-24 
• 3.31 x 10²⁴ 
• 33.11
• 0.98

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

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

• kilogram
• gram
• kelvin
• mole

A mole of carbon disulfide contains 6.02 x 10²³ _____.

• atoms
• formula units
• ions
• molecules

How many particles are in a mole?

• 602
• 602 million
• 602 moles
• 6.02 x 10²³

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

How many molecules are there in 31.8 moles of water?

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

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

Tags

NGSS.HS-PS1-7

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

• 53
• 63.55g
• 126.9
• 6.02 x 10²³

How many molecules are in 9.4 moles of AlCl₃?

• 5.66
• 5.66x10²⁴
• 0.705
• 1.25x10²³

Tags

NGSS.HS-PS1-7