May the Moles be with you Quiz (Ch. 12 Exam)

Molar mass is in units of ________.

• grams
• grams/mole
• mole
• moles/gram

Tags

NGSS.HS-PS1-7

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

Which compound has the smallest molar mass?

• CO

• CO₂

• H₂O

• H₂O₂

Which conversion factor should be used to solve the following, "Find the mass in grams of 2.00 x 10²³ molecules of N₂."

• 1-Step Mole Conversion

• 2-Step Mole Conversion

How many grams are in 3.3 moles of potassium oxide?

• 55.08 g

• 94.17 g

• 271.67 g

• 310.76 g

1 mole of Br and 1 mole of As have the same number of atoms.

• True

• False

6.02 x 10²³ atoms is equal to 1 mole of any substance

• False

• True

What temperature and Pressure does a gas have to be at to use the standard Molar volume per mole of any gas?

• 101 atm and 0K

• 1 atm and 0^oC

• 1 atm and 273^oC

• 1 kPA and 273K

Where does the Ratio from one element or compound to another come from?

• Balanced Equation

• Molar Mass

• Molar Volume

• Periodic Table