Number of Particles, Moles and Molar Mass

It refers to a specific number of particles?

• atom

• mole

• ion

• isotope

Tags

NGSS.HS-PS1-7

What unit should be used for molar mass?

• amu

• grams

• g/mol

• atoms

Tags

NGSS.HS-PS1-7

How many moles are there in 15 grams of Beryllium. (molar mass of Beryllium is 9.01 g/mol)

• 135.15 moles

• 24.01 moles

• 1.66 moles

• 0.60 moles

It simply refers to the sum of the masses of the atoms in the molecule of the substance.

• atomic mass

• formula mass

• molecular mass

• molar mass

Tags

NGSS.HS-PS1-7

• 180.18 g/mol

• 160.16 g/mol

• 200.20 g/mol

• 220.22 g/mol

Tags

DOK Level 2: Skill/Concept

• 44 g

• 88 g

• 132 g

• 176 g

Tags

DOK Level 2: Skill/Concept

• 28.01 g/mol

• 32.01 g/mol

• 44.01 g/mol

• 48.01 g/mol

Tags

DOK Level 2: Skill/Concept

What is the molar mass of AuCl₃?

• 96 g

• 130 g

• 232.5 g

• 303.3 g

What is the molar mass of Mg(NO₃)₂

• 148.313g/mol

• 134.306g/mol

• 54.311g/mol

How many atoms are there in 2 moles of helium (He)?