k. unit 11 solutions 2013-2014

procedure

molecular view + vocabulary

5.1 g 180.16 g/mol

.1005 L

1 mole NaOH 40 g NaOH x x 0.1 liter solution  4 g NaOH liter solution mole NaOH

D

D

D

D

HO Greasy: will dissolve in greasy solvents

watery: will dissolve in watery solvents (like water)

watery region

A “brick�: hard to dissolve in anything.

S1 S2  P1 P2

S1 S2 3.3 g /L 9.9 g/L (1 atm)(9.9 g/L)  ;  ; x=  3 atm P1 P2 1 atm x (3.3 g/L)

Percent solution by mass 

Percent solution by volume 

mass solute x 100 mass solution

volume solute x 100 volume solution

moles of solute Liters of solution

40 g NaCl 0.5 moles NaCl x x 0.08 Liters solution = 1.6 grams NaCl Liter of solution mole NaCl

Percent solution by mass 

Percent solution by volume 

mass solute x 100 mass solution

volume solute x 100 volume solution

moles of solute Liters of solution

째

째

s