Moles to Particles

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

• 4.08 x 10^-24 for units

• 3.31 x 10²⁴ for units

• 33.11 for units

• 0.98 for units

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

How many moles of copper are 4.57 x 10¹⁵ atoms of copper?

• 7.59 x 10^-9 moles
• 2.75 x 10^-33 moles
• 7.59 x 10⁹ moles
• 2.75 x 10³³ moles

Tags

NGSS.HS-PS1-7

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

• kilogram
• gram
• kelvin
• mole

What is the molar mass of AuCl₂?

• 96 g/mol

• 130 g/mol

• 232.5 g/mol

• 268 g/mol

How many particles are in a mole?

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

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

Determine the number of
atoms in
0.50 moles of zinc.

• 0.30 x 10²⁴ atoms
• 4.15 x 10^-24 atoms
• 2.71 x 10^-22 atoms
• 303 atoms

Which of the following would have more mass?

• 1 mole of NaCl
• 1 mole of Ag
• 1 mole of HCl
• None, all are equal

Tags

NGSS.HS-PS1-7