Mole Conversions Practice

• 8.77 moles

• 8.77 x 10²³ moles

• 8.77 x 10²⁴ moles

• 8.77 x 10²⁵ moles

• 31.8 moles

Molar Conversions Practice WS #2

How many units of ZnO are in 6.6 moles? Answer with appropriate sig figs

• 3.97 x 10^24 units

• 4.00 x 10^24 units

• 3.98 x 10^24 units

• 4.0 x 10^24 units

Molar Conversions Practice WS #3

How many grams is 1.8 moles of Ca(NO₃)₂? Answer with appropriate sig figs

• 164.1 grams

• 3.0 x 10² grams

• 295.2 grams

• 306.4 grams

Molar Conversions Practice WS #4

How many moles is 78.5 grams of aluminum? Answer with appropriate sig figs

• 2100 moles

• 2.91 moles

• 0.58 moles

• 3.92 moles

Molar Conversions Practice WS #5

How many molecules is in 50. g of water? Answer with appropriate sig figs

• 1.67 x 10^24 molecules

• 3.34 x 10^24 molecules

• 1.7 x 10^24 molecules

• 9.03 x 10^23 molecules

Molar Conversions Practice WS #6

What is the mass of 5.2 x 10^24 units of NaCl? Answer with appropriate sig figs

• 5.0 x 10^2 g

• 5.2 x 10^24 g

• 504.7 g

• 2.0 x 10^3 g

• 2 moles

• 2.0 x 10^46 moles

• 0.2 moles

• 2.0 moles

Molar Conversions Practice WS #11

You write your name using graphite, a form of carbon. This required 0.002 grams. How many atoms did it take to write your name? Answer with appropriate sig figs

• 1 x 10^20 atoms

• 1.00 x 10^20 atoms

• 5.00 x 10^21 atoms

• 1.20 x 10^22 atoms