FINALS REVIEW

What is the molar mass of C₂H₄O₂?

• 40 g/mol

• 50 g/mol

• 60 g/mol

• 68 g/mol

The number 6.02 x 10²³ is called...

• Obama's number and it measures the amount of gases or liters in a mole

• Bohr's number and it measures the amount of molecules or atoms in a sample

• Avogadro's number and it measures the amount of gas in moles

• Avogadro's number and it measures the amount of molecules or atoms in a sample

How many moles would be in 8.40 grams of octane, C₈H₁₈?

• 0.0735 moles

• 5.04 x 10²⁴ moles

• 959 moles

• 0.645 moles

Using the following equation:

_Fe₂O_3(s) + 3H_2(g) → 2Fe_(s) + 3H₂O_(l)

How many moles of iron can be made from 6 moles H₂?

• 4 moles Fe

• 6 moles Fe

• 9 moles Fe

• 2 moles Fe

When carbon dioxide gas dissolves in water to make soda carbonated, what is the solute of this solution?

• water
• carbon dioxide gas
• soda mixture

This solution would be considered

• Unsaturated
• Supersaturated
• Saturated
• Undefined

Contains the maximum amount of dissolved solute

• unsaturated solution
• supersaturated solution
• saturated solution

This solution would be considered

• Unsaturated
• Supersaturated
• Saturated
• Undefined

This graph represents a(n) ___ solution

• saturated
• supersaturated
• unsaturated
• undefined

What is a substance that is dissolved in another substance? 

• solution
• solute
• solvent
• compound