Mole - Particle Conversions

Which of the following dimensional analysis setups will correctly convert 4.00x10²³atoms of cobalt to moles of cobalt? How many moles of colbalt are there?

• setup B : 0.6644mol Co
• setup A: 2.41x10⁴⁷mol Co
• setup A : 0.664mol Co
• setup B: 2.41x10⁴⁷mol Co

Tags

NGSS.HS-PS1-7

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

• 5.00 x 10^-2 moles

• 1.81 x 10⁴⁶ moles

• 5.00 x 10²¹ moles

• 5 moles

How many NaCl formula units are in 2.50 mol of NaCl?

• 1.51x10²³

• 146

• 4.15

• 1.51x10²⁴

How many molecules of sugar (C₆H₁₂O₆) are in a mole?

• 24 molecules
• 180 molecules
• 180 g
• 6.02 x 10²³ molecules

Which of the following has more atoms?

• 6.00 mol C

• 12.0 mol CO₂

• 6.00 mol C₆H₁₂O₆

• 3.00 mol C₄H₁₀

How many O atoms are in 9.44 moles of SO₃?

• 17.0 molecules SO₃

• 1.70 x 10²⁵ molecules SO₃

• 0.235 molecules SO₃

• 3.75 x 10²³ molecules SO₃

How many moles of water can be made from 4.16 x 10²⁴ H atoms?

• 2.08 x 10²⁴ moles H₂O

• 6.91 moles H₂O

• 3.46 moles H₂O

• 1.25 x 10⁴⁸ moles H₂O