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WorksheetsElectrolytes & Solubility Curve
Total questions: 14
Worksheet time: 31mins
Which statement is true?
Electrolytes dissociate (split up into ions) in water.
Nonelectrolytes dissociate (split up into ions) in water.
Any substance that does not conduct electricity when in solution is called a(n) ―
electrolyte
semiconductor
nonconductor
nonelectrolyte
Which of the following best summarizes the figure below?
HX is the only electrolyte
Both HX and HZ are electrolytes, but HY is not.
Only HY is an electrolyte
All the solutions shown are electrolytes.
Which of the following is NOT an electrolyte?
Sugar
C12H22O11
Salt
NaCl
Aluminum Hydroxide
Al (OH)3
All of these are electrolytes.
Based on the solubility curve, how many grams of sugar will dissolve in a 100 mL of water at 20°C?
100 g
150 g
200 g
250 g
Which substance is MOST soluble at 0 ºC?
**has the highest grams on the graph
How many grams of CaCl2, are soluble in 100 g of water at approximately 17 ºC?
58 grams
70 grams
0 grams
12 grams
How much KCl will dissolve at 80 degrees Celcius?
52 g
50 g
40 g
60 g
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
At which temp do their lines cross**
60 ºC
30 ºC
50 ºC
83 ºC
Which solute is MOST likely a gas?
KNO3
NaNO3
KCl
Ce2(SO4)3
What substance will dissolve 75 g at 40°C ?
determine which line passes this point
KNO3
CaCl2
Pb(NO3)2
NaNO3
A gas because of its negative slope
A solid because of its negative slope
