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Chem 121 ch4
chapter 4
Question | Answer |
---|---|
Solute | Dissolved substance |
Solvent | What solute is dissolved in |
Electrolyte | freely moving ions able to conduct an electrical current |
Molecular Compound | no ions present |
Homogenous mixture | mixture with evenly distributed contents |
Electrical current flows in solutions that contain______ | electrolytes |
What is a strong electrolyte | ionic solution with greater number of ions on a mole to mole bases |
Weak Electrolyte | partially dissociates in water, weakly conducts electricity |
Non-electroyte | can't conduct electrical current |
are soluble ionic compounds weak or strong electrolytes? | strong electrolytes |
Precipitation Reactions | Solid formation, ionic bonds formed/broken |
Acid/Base Reactions | Proton transfer, generally polar covalent bonds formed/broken |
Oxidation/Reduction Reactions | electron transfer, ionic and or covalent bonds formed/broken |
Molarity (M) = | mol/L |
mol solute = and to calculate concentration of sample solutions in _______reactions | Mi X Vi For titration reactions |
Mi X Vi = mol solute= Mf X Vf (Mi X Vi = Mf X Vf) for calculating concentration for what type of solutions | dilution |
Arrhenius | when dissolved in water |
Acids produce | H+ |
Bases produce | OH- |
Bronsted-Lowry Acids are? Bases are? | proton transfer Proton donors Proton acceptors |
Strong acids/bases ionize _____% in water | 100% ionize |
Weak acids/bases ionize < ______% in water | < 100% ionize |
Strong Acids | HClO4 H2SO4 HI HBr HCl HNO3 |
Strong Bases | LiOH NaOH KOH Ca(OH)2 Sr(OH)2 Ba(OH)2 |