Multiple Step Mole Conversions

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

What is the mass of 4.98 x 10²⁴ atoms of Zn?

• 541 g

• 8.27 g

• .122 g

• 4.59 x 10⁴⁶ g

Tags

NGSS.HS-PS1-7

How many moles of sodium chloride are in a 321.8 g sample?

• 18810 moles

• 3.315 x 10²⁴ moles

• 5.507 moles

• 4.767 moles

Tags

NGSS.HS-PS1-7

How many formula units of calcium chloride are in a 25.69 g sample?

• 1.394 x 10²³ F.U.'s

• 2851 F.U.'s

• .2315 F.U.'s

• 3.845 x 10²⁵ F.U.'s

Tags

NGSS.HS-PS1-7

Convert 86.235 g of diphosphorus pentaoxide to moles.

• 12240 moles

• 1.8747 moles

• .608 moles

• .60755 moles

Tags

NGSS.HS-PS1-7

What would be the mass of 9.76 x 10²² formula units of SrCl₂?

• .1622 g

• 25.7 g

• 20.0 g

• .3589 g

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 grams are in 1.2 x 10²⁴ molecules of CO?

• 28 grams
• 56 grams
• 6.02 grams
• 1.2 grams

Tags

NGSS.HS-PS1-7

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

• 0.05 moles
• 1.81 x 10⁴⁶ moles
• 5.00 x 10²¹ moles
• 5 moles

How many steps are in a gram to molecule conversion?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-7