Quiz Molar Mass and Avogadro's Number

Calculate the molar mass of Ba(C₂H₃O₂)₂

• 255.43 g/mol

• 237.3 g/mol

• 228.3 g/mol

• 255 g/mol

Calculate the molar mass of Cu₂O.

• 153 g/mol

• 143 g/mol

• 79.5 g/mol

• 143.10 g/mol

Calculate the molar mass for Al(OH)₃

• 78.01 g/mol

• 78 g/mol

• 28 g/mol

• 25 g/mol

Calculate the molar mass of NH₄NO₂

• 50 g/mol

• 60 g/mol

• 64.06 g/mol

• 64 g/mol

Find the molar masses of the following compound

C₆H₁₂O₆

• 180 g/mole

• 102.9 g/mole

• 180.18 g/mol

• 160.0 g/mole

• 96.0 g/mole

How many moles are in 3.01 x 10²² atoms of magnesium?

• 0.0500 moles

• 1.81 x 10⁴⁶ moles
• 5.00 x 10²¹ moles
• .05 moles

How many molecules are there in 5.9 moles of NaCl?

• 3.6x10²⁴molecules

• 9.79x10^-24molecules
• 1.02x10²³molecules

How many moles are in 2.814 x 10² molecules of water?

• 16.94
• 4.674 x 10^-22

• 4.674

• 4.674x10²²

Tags

NGSS.HS-PS1-7