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Concentration Units– Molarity

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Concentration =

Solute =

Solvent =

Ex:

Solute

Solvent

-

-

Dilute

Concentrated

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Concentration

-

1) -

2) -

3) -

4) -

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Ex: A student mixes 1.0 mol of NaOH with water to make .50 L of solution. What is the concentration of this solution?

Molarity =

Units: -

-

-

-

=

=

-

-

-

=

-

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-

-

-

=

-

-

-

=

Ex: A student mixes 80.0 g of NaOH (40.00 g/mol) with water to make .500 L of solution. What is the concentration of this solution?

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-

-

-

=

-

-

-

-

=

-

-

-

-

-

-

-

=

Ex: How many grams of calcium chloride (110.98 g/mol) are needed to prepare 500. mL of a 1.00 M solution?

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-

-

-

=

-

-

-

=

-

Ex: A student mixes 25.75 g of Cr3(PO4)2 (345.94 g/mol) with water to make 250.0 mL of solution. What is the concentration of this solution?

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-

-

-

=

-

-

-

-

-

-

-

=

Ex: How many grams of Aluminum Iodide (407.68 g/mol) are needed to prepare 175 mL of a .650 M solution?