Mole Conversions (Moles-Grams-Molecules)

How many grams is 1.2 moles of Neon?

• 0.05 grams
• 16.6 grams
• 21.2 grams
• 24 grams

How many grams are in 5.6 moles of sodium bromide?

• 36.8 g/mol
• 18.4 g
• 576 g/mol
• 576 g

Tags

NGSS.HS-PS1-7

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

Tags

NGSS.HS-PS1-7

How many moles of magnesium are in 3.01x10²² atoms of magnesium?

• 5.00x10⁴⁴ moles Mg
• 0.050 moles Mg
• 1.81x10⁴⁶ moles Mg
• 5 moles Mg

Tags

NGSS.HS-PS1-7

How many molecules are in 9.4 moles of ibuprofen?

• 5.66
• 5.66x10²⁴
• 0.705
• 1.25x10²³

Tags

NGSS.HS-PS1-7

Calculate the molar mass of Ba(C₂H₃O₂)₂

• 255.3 g/mol

• 392.6 g/mol

• 228.3 g/mol

• 196.3 g/mol

What is the molar mass of PbSO₄?

• 303.27 g/mol

• 255.27 g/mol

• 163.87 g/mol

• 372.27 g/mol

How many molecules are there in 31.8 moles of water?

• 5.28 x 10^-23 molecules
• 1.91 x 10²⁵ molecules

Change 7.00 moles of Na₂SO₄ into grams.

• 20.3 grams
• 994 grams
• 770 grams
• 0.0493 grams

Tags

NGSS.HS-PS1-7