Chem Final Review

Molar Mass

100

What is the molar mass of NaCl

58.44 g/mol

200

What is the molar mass of Li₂O?

29.88 g/mol

300

What is the molar mass of Na₃PO₄?

163.94 g/mol

400

What is the molar mass of Fe₂(C₂O₄)₃

375.92 g/mol

500

What is the molar mass of NH₄Al(SO₄)₂ ?

237.17 g/mol

Chemical Formulas

100

Write the formula for potassium fluoride

KF

200

Write the formula for calcium chloride

CaCl₂

300

Write the formula for cobalt(III) bromide

CoBr₃

400

Write the formula for strontium sulfide

SrS

500

Write the formula for titanium(IV) oxide.

TiO₂

Unit Conversion

100

Convert 1 mole of lithium fluoride to grams

25.9 g

200

Convert 58.44 grams of NaCl to moles

1 mole

300

Convert 962.04 grams of AlBr₃ to moles

3 moles

400

How many molecules are in a mole?

6.02x10²³ molecules

500

How many molecules are in 20 moles of CF₄

1.20x10²⁵ molecules

Bond Energy

100

What is the bond dissociation energy of a molecule of hydrogen gas (H₂)?

432 kJ/mol

200

What is the bond dissociation energy of a molecule of carbon dioxide (CO₂)?

1,598 kJ/mol

300

What is the bond dissociation energy of a molecule of dichloromethane (CH₂Cl₂)?

1,504 kJ/mol

400

What is the bond dissociation energy of a molecule of heptane (C₇H₁₆)?

8,690 kJ/mol

500

What is the bond dissociation energy of a molecule of acetic acid (CH₃COOH)?

3,156 kJ/mol