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- 1. Multiple Choice
Concentration is
the amount of solute in the solvent
the amount of solvent in the solute
density
particle size
- 2. Multiple Choice
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
- 3. Multiple Choice
In order to dilute a solution, you need to
add more of the solid
add more water
find the mass
find the volume
- 4. Multiple Choice
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
- 5. Multiple Choice
Calculate the mass percent of solution, if there is 100 g of sugar and 400 g of water
30
25
20
15
- 6. Multiple ChoiceHow many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide?2346
- 7. Multiple ChoiceWhat is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?0.018 M0.0011 M1.052 M0.062 M
- 8. Multiple ChoiceHow many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?0.625 g NaCl625 g NaCl36.5 g NaCl0.04 mol NaCl
- 9. Multiple Choice
Molality (m) = moles of solute / _________________________.
kilogram of solvent
kiloliter of solvent
kilometer of solvent
ounces of solvent
- 10. Multiple Choice
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
- 11. Multiple Choice
molality is defined as ________________________
the moles of solute per kilogram of solvent
moles of solute per liter of solution
mass of solute/ mass of solution
mass of solute/ mass of solvent X 100
- 12. Multiple ChoiceTotal number of mol fraction for all component in the solution is equal to1.00.950.502.0
- 13. Multiple ChoiceCalculate mol fraction of H2O in 1.33 molal NaOH solution.0.560.760.980.84
- 14. Multiple ChoiceWhat is the molarity of 4.0 g of NaCl (Molar mass=58.45) in 3,800 mL of solution?0.018 M0.001M1.052 M0.062 M
- 15. Multiple ChoiceCalculate the mole fraction of benzene (C6H6) in a solution of 46.8 g benzene and 36.8 g of toluene (C7H8).0.40.60.70.5
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