Mole Quiz B

Magnesium fluoride, MgF₂ has a molar mass of...

• 62

• 43

• 74

• 93

Copper (II) nitrate, Cu(NO₃)₂ has a molar mass of....

• 188

• 126

• 152

• 174

What is the molar mass of PbSO₄

• 303 g/mol

• 295 g/mol

• 164 g/mol

• 372 g/mol

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

• 117 g/mol

• 35 g/mol

• 23 g/mol

• 58 g/mol

Calculate the molar mass for Al(OH)₃

• 78.0 g/mol

• 72 g/mol

• 28 g/mol

• 25 g/mol

How many moles is in 25.0 g of calcium?

• 25.0 moles

• 0.62 moles

• 1.60 moles

• 40.0 moles

Determine the number of moles of AlNO₃ that are in 264 g.

• 2.97 mol

• 3.45 mol

• 2.73 mol

• 1.86 mol

Convert 28.0 grams of O₂ to moles.

• 1.14 moles
• 1.75 moles
• 0.571 moles
• 0.875 moles

How many molecules are in 9.44 moles of AlCl₃?

• 5.68 molec AlCl₃
• 5.68x10²⁴ molec AlCl₃
• 1.25 molec AlCl₃
• 1.25x10²³ molec AlCl₃

What is the volume of 14 moles of argon?

• 313.6 L

• 348.3 L

• 355.8 L

• 396.2 L