Mole Conversion Practice

How many grams are in 1.2 x 10²⁴ molecules of CO?

• 28 grams

• 56 grams

• 6.0 grams

• 1.2 grams

Tags

NGSS.HS-PS1-7

How many formula units are there in 5.5 moles potassium chloride?

• 4.08 x 10^-24 

• 3.31 x 10²⁴ 

• 33.11

• 0.98

How many moles of copper are 4.57 x 10¹⁵ atoms of copper?

• 7.59 x 10^-9 moles

• 2.75 x 10^-33 moles

• 7.59 x 10⁹ moles

• 2.75 x 10³³ moles

How many molecules are in 2.5 mol of NaCl?

• 51x10²³

• 46

• 4.15

• 51x10²⁴

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

• 24 molecules

• 180 molecules

• 180 g

• 6.02 x 10²³ molecules

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

• 20x10²⁴atoms C

• 6.02x10²³atoms C

• 3.01x10²³atoms C

• 1.50x10²³atoms C

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 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 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