Molar Mass pop quiz

The mass of one mole of substance is called...

• molecular mass
• mole constant
• molar mass
• atomic weight

The molar mass of an element is equal to its...

• Atomic mass
• Atomic number
• Oxidation number
• Valence electrons

What is the molar mass of sodium?

• 11.95

• 23.00

• 45.98

• 32.00

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol
• 35.453 g/mol
• 22.990 g/mol
• 58.443 g/mol

What is the molar mass of NaOH?

• 40.00 g/mol

• 38.989 g/mol

• 23.998 g/mol

• 57.004 g/mol

What is the molar mass of CO₂?

• 12.24

• 16.67

• 32.34

• 44.01

How many particles are in a mole?

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

What is the molar mass of AuCl₃?

• 96.65 g

• 130.00 g

• 232.51 g

• 303.32 g

What is the definition for Avogadro's number?

• number of grams per one mole of a substance
• whole number ratio that is a multiple of a chemical formula
• simplest, whole number ratio of a chemical formula
• 6.02 x 10^23 particles per one mole of a substance

Which would have more atoms?

• 1 mole of Li
• 1 mole of Au
• 1 mole of Si
• None, all are equal

Tags

NGSS.MS-PS1-1