Remote Learning Week 6 Quiz 2

What is the molar mass of sodium?

• 11

• 23

• 45.98

• 3

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 g/mol

• 38.989 g/mol

• 23.998 g/mol

• 57.004 g/mol

What is the molar mass of CO₂?

• 12

• 16

• 32

• 44

How many particles are in a mole?

• 602

• 602 million

• 602 moles

• 6.02 x 10²³

What is the molar mass of AuCl₃?

• 96 g

• 130 g

• 232.5 g

• 303.3 g

Tags

NGSS.MS-PS1-1

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

What is the molar mass of fluorine gas, F₂?

• 18.998 g/mol

• 38 g/mol

• 9 g/mol

• 18 g/mol

What is the atomic number of Cl

• 35.5

• 17

• 6

• Cl

Tags

NGSS.MS-PS1-1