- A solution of 1.86 M sulfuric acid has a density of 1.115 g/mL. Calculate the molality of the solution.
- Calculate the percentage composition by weight of nitric acid in a 2.0 m HNO3 solution.
- How many milliliters of 47.0% hydrobromic acid (density 1.50 g/mL) are needed to prepare 1 L of a 0.156 M solution?
- A solution of 4.785 g of mercury(II) chloride in 60 g of water is found to boil at 100.152 °C. Is mercury(II) chloride dissociated in water solution?
- A solution consisting of 0.100 g of a certain compound and 10.00 g of cyclohexane freezes at 1.00 °C. Calculate the molecular weight of the compound. (Cyclohexane has a freezing point of 6.00 °C and a molal freezing point constant of 20.0.)
- Designate each of the following compounds as a strong electrolyte, weak electrolyte, or nonelectrolyte:
- KBr
- NH4Cl
- CH3NH2
- HCN
- CO2
- NaC2H3O2
- HCOOH
- HClO4
- C6H12
- CaO
- NaOH
- CH3COCH3
- CH3CH2OH
- SO2
- NH4C2H3O2
- CH3OCH3
- CH3CH2CO2CH3
- MgI2
- HF
- CH3CH2Cl
- A 0.10 m solution of a certain weak acid freezes at 0.245 °C. Calculate the percentage dissociation of the weak acid.