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WorksheetsQUIZ:2 CH2 SOLUTION [CONCENTRATION TERMS]
Total questions: 15
Worksheet time: 16mins
HOW MANY TYPE OF SOLUTIONS ARE POSSIBLE BETWEEN SOLUTE AND SOLVENT BY TAKING THREE STATES OF MATTER?
(a)
Concentration is
the amount of solute in fixed amount of solvent
the amount of solvent in the solute
density
particle size
Which solution is more concentrated?
Solution 1:
500 mL of water
100 g of salt
Solution 2:
500 mL of water
90 g of salt
Solution 1
Solution 2
They have the same concentration
I have no idea
Which solution is more diluted?
Solution 1:
1000 mL of water
60g of salt
Solution 2:
500 mL of water
60 g of salt
Not enough information to tell
Solution 1
Solution 2
They are equally diluted
Calculate the mass percent of solution, if there is 100 g of sugar and 400 g of water
30 %
25 %
20 %
15 %
How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide?
2 lt
3 lt
4 lt
6 lt
Molality (m) = moles of solute / _________________________.
per kilogram of solvent
kiloliter of solvent
kilometer of solvent
ounces of solvent
What is the molality of a solution made by dissolving 2 moles of NaOH in 400 grams of water?
5 mol/kg. solvent
4 mol/kg solvent
3 mol/kg. solvent
2.5 moles /kg solvent
Calculate mol fraction of H2O in 1.33 molal NaOH solution.
(Hint: Molality is no of moles of solute in 1000g of solvent)
0.56
0.76
0.98
0.84
Calculate the mole fraction of benzene (C6H6) in a solution of 46.8 g benzene and 36.8 g of toluene (C6H5CH3).
[Mol wt of benzene : 78, mol wt of toluene: 92]
0.4
0.6
0.7
0.5
Units of molality is:
moles per litre
moles per kg
no units
mol L-1
