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Different Methods of Expressing Concentration of Solution
Transcript of Different Methods of Expressing Concentration of Solution
In chemistry, a solution is a homogeneous mixture composed of only one phase.
Its either solid, liquid or a gas
A substance dissolved in another substance, usually the component of a solution present in the lesser amount.
A substance in which another substance is dissolved,forming a solution;
Mass percentage is one way of representing the concentration of an element in a compound or a component in a mixture. Mass percentage is calculated as the mass of a component divided by the total mass of the mixture, multiplied by 100%.
A 4 g sugar is dissolved in a 350 ml teacup of water. What is the percent composition by mass of the sugar solution?
is a measure of concentration of a substance in solution expressed as the ratio of the volume of the solute to the total volume of the solution multiplied by 100%.
25 mL of anesthetic solution is added
to a certain amount of water to make a total of 200 mL solution. what is the volume percent of anesthetic now?
a concentration unit, defined to be the number of moles of solute divided by the number of liters of solution.
no. of moles of solute
volume of solution in liters
Calculate the molarity of a solution prepared
by dissolving 15.5 g solid KBr in enough water
to make 1.25L solution?
a unit of concentration, defined to be equal to the number of moles of solute divided by the number of kilograms of solvent
no. of moles of solute
mass of solvent in kg
Molality (m) =
Determine the molality of 3000 grams of solution containing 37.3 grams of Potassium Chloride KCl.
Normality is a measure of concentration equal to the gram equivalent weight per liter of solution.
Gram equivalent weight is the measure of the reactive capacity of a molecule.
a unit of concentration, defined to be equal to the number of moles of a component divided by the total number of moles of a solution.
What is the mole fraction of each component
in a solution in which 3.54 g of sodium chloride (NaCl) is dissolved in 35.0 g of water
What is the normality of a solution of 23.9 g of NaOH in 1.25 L of solution?