3c7 Mass to Molecules/Molecules to Mass Remediation

​3c7 Mass to Molecules / Molecules to Mass

Multiple Choice

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

Multiple Choice

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

• .1622 g

• 25.7 g

• 20.0 g

• .3589 g

Multiple Choice

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

• 1.20x10²⁴atoms C

• 6.02x10²³atoms C

• 3.01x10²³atoms C

• 1.50x10²³atoms C

Multiple Choice

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

• 28 grams

• 56 grams

• 6.02 grams

• 1.2 grams

Multiple Choice

What is the mass of 1 molecule of aspirin (C₉H₈O₄)?

• 2.99 x 10^-22 g

• 3.34 x 10^{21 g}

• 1.08 x 10²⁶ g

• 22.4 g