calculations+including+mass-mass+stoichiometry+and+concentration+and+volume+of+solutions


 * //Calculations including mass-mass stoichiometry and concentration and volume of solutions// **


 * Videos**

Mass-mass calculations explained || media type="custom" key="24060708" Solution stoichiometry || media type="custom" key="24060750" Solution stoichiometry involving acid-base titration ||
 * media type="custom" key="24060602"

Solution stoichiometry involving mass calculations || media type="custom" key="24071252" Limiting reagents ||
 * media type="custom" key="24060846"


 * Common misconceptions:**
 * Molarity is moles of solute per litre of solution not per litre of solvent.
 * Equivalence point and end point mean the same thing.
 * Mass ratio, volume ratio, and mole ratio interchangeably.
 * You can mass-mass conversions by using the mole ratio.
 * Moving between different units of mass and volume (see diagram for help).


 * Interesting facts:**
 * The number of grams in one mole of a substance varies with its molar mass, a mass-mole conversion is a necessary intermediate step in mass-mass stoichiometric problems. Doing mass-mass conversions by using the mole ratio as a mass ratio is incorrect.
 * A limiting reagent determines the amount of products formed.
 * The equivalence point is the point in a titration when the reactants have reacted in their correct mole ratios. The end point is the point where the indicator being used changes colour (also 'indication point)'.
 * Because pH is a log10 scale, a solution with a pH of 2 has 10 times the concentration of hydrogen ions as of one of pH 3. It also has one-tenth the concentration of hydroxide ions.


 * Resources:**
 * A titration simulation from [|Wake Forest University.]
 * Stoichiometry equation worksheets from Cavalcade o' Chemistry.
 * Acid-Base Solutions from PhET.