Mole Conversions

How many molecules are in 2.5 mol of NaCl?

• 1.51x10²³
• 146
• 4.15
• 1.51x10²⁴

Tags

NGSS.HS-PS1-7

How many atoms of carbon are in 6.00g of carbon?

• 1.20x10²⁴atoms C
• 6.02x10²³atoms C
• 3.01x10²³atoms C
• 1.50x10²³atoms C

Tags

NGSS.HS-PS1-7

How many steps are in a gram to mole conversion?

• 1
• 2
• 3
• 4

What is the mass of 0.89 mol of CaCl₂?

• 111 grams
• 0.008 grams
• 98.9 grams
• none of the choices

Tags

NGSS.HS-PS1-7

How many steps are in a gram to molecule conversion?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-7

How many molecules of water are in a 821.3 g sample?

• 45.58 molecules

• 8.232 x 10²⁵ molecules

• 8.909 x 10²⁷ molecules

• 2.744 x 10²⁵ molecules

Tags

NGSS.HS-PS1-7

Convert 86.235 g of diphosphorus pentaoxide, P₂O₅, to moles.

• 12240 moles

• 1.8747 moles

• .608 moles

• .60755 moles

How many molecules are in 9.44 moles of AlCl₃?

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

Tags

NGSS.HS-PS1-7

How many grams are in 3.3 mol of Potassium Sulfide?

• 360 g
• 454 g
• 238 g
• 132 g

Tags

NGSS.HS-PS1-7

How many molecules are in 2.5 mol of NaCl?

• 1.51x10²³ molecules

• 146 molecules

• 4.15 molecules

• 1.51x10²⁴ molecules