Mole Concept

How many atoms are ther in 1 mol of Ag?

• 1.66 x 10-21 atoms
• 6.022 x 1023 atoms
• 6.22 x 1023 atoms
• 1.2 x 1024 atoms

What is the mass of 1 mole of silver?

• 197.0 g
• 0.0093 g
• 107.9 g
• 0.0051 g

<br />What is the mass of 0.600 mole of silver?

• 64.7 g
• 0.006 g
• 108 g
• 107.96 g

How many atoms are present in 35.8 grams of sodium?

• 137.3 atoms
• 517 atoms
• 2.16 x 1021 atoms
• 9.38 x 1023 atoms

What is the mass of 1.464 mole of zine arsenate (Zn3(AsO4)2 | Molar mass = 473.98 g/mol)?

• 0.0031 g
• 7.32 g
• 474.0 g
• 693.9 g

How many formula units are there in 1.464 mole of zinc arsenate?

• 2.431 x 1024 atoms
• 8.832 x 1023 atoms
• 6.22 x 1023 atoms
• 6.022 x 1023 atoms

What is the mass of a mole of ammonium hydroxide (NH4OH)?

• 35.05 g
• 0.0285 g
• 30.09 g
• 21.02 g

What is the mass of 0.810 mole of carbon dioxide? Its molar mass is 44.02 g/mol?

• 44.02 g
• 35.66 g
• 30.09 g
• 21.02g

How many moles of carbon dioxide are chere in 30.5 grams?

• 0.693 mol
• 6.93 mol
• 30.5 mol
• 1343 mol

What is the mass of 2.15 mole of MgSO4?

• 0.0179 g
• 120 g
• 215 g
• 259 g