Molar Mass, Mole Conversion, and Percent Composition

conversion that allows one to move between numbers of particles and grams of a substance

• mole

• molar ratios

• percent composition

• Avagadro's Number

the mass of one mole of a substance

• mole

• molar mass

• mole ratio

• percent composition

What is the molar mass of H₂SO₄

• 
  

  49 g/mol

• 50 g/mol

• 98 g/mol

• 100 g/mol

What is the molar mass of Mg(OH)₂

• 41 g/mol

• 58 g/mol

• 73 g/mol

• 98 g/mo

What is the molar mass of Ca(NO₃)₂

• 65 g/mol

• 104 g/mol

• 124 g/mol

• 164 g/mol

Convert 67g of NaCl to moles.

• 1.2 moles

• 67 moles

• 120 moles

• 6.7 moles

How many molecules of Silicon Dioxide are in 2.4 moles of Silicon Dioxide?

• 2,000

• 1.4 x 10²¹

• 2.0 x 10²⁰

• 1.4 x 10²⁴

Convert 43g of LiOH to moles of LiOH.

• 1 mole

• 1.5 moles

• 1.8 moles

• 180 moles

Find the mass in grams of 2.00 x 10²³ molecules of F₂.

• 0.33 grams

• 0.66 grams

• 6.3 grams

• 12.6 grams

Find the mass, in grams, of 1.00 x 10²³ molecules of N₂.

• 0.166 grams

• 4.65 grams

• 14 grams

• 28 grams