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- 1. Multiple Choice
What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)
0.8 M
1.5M
3.0M
6.0M
- 2. Multiple ChoiceWhich of the following substances is a heterogeneous substance?baby oilrocky road ice creamsalt watermilk
- 3. Multiple Choice
A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility
lowering the temperature of the solvent
stirring the solute in the solution
increasing the pressure on the solution
increasing the particle size of the solute
- 4. Multiple Choice
Which of the following is the correct formula for calculating molarity?
moles/liters of solution
moles/kg of solvent
# particles/Avogadro's #
theoretical yield/actual yield
- 5. Multiple Choice
Which of the following types of solutions has more room to dissolve solute?
supersaturated
saturated
unsaturated
- 6. Multiple Choice
What is the molality of a solution in which 3.0 moles of NaCl is dissolved in 1.5 Kg of water?
2.0 M
0.22 m
135 m
2.0m
- 7. Multiple ChoiceWhat is a solvent?The substance that does the dissolving in a solution.The substance that is being dissolved in a solution.The mixing of different substances.The process in which neutral molecules lose or gain electrons
- 8. Multiple Choiceair is acompoundelementheterogeneous mixturesolution
- 9. Multiple ChoiceAnother name for a homogeneous mixture isan element.a solution.a compound.
- 10. 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
- 11. Multiple ChoiceWhich sweet tea would you expect to taste the sweetest?1M3M3.1M2.5M
- 12. Multiple ChoiceTrue or False? The higher the concentration of a solution the less solutes it has in it.TrueFalse
- 13. Multiple ChoiceHow many grams of AgNO3 (MM = 169.87) are needed to prepare 0.125M solution in 250 mL of water?.03g0.5g5.3g84.9g
- 14. Multiple ChoiceCalculate the molarity of the following solution: 1.0 mole of KCl in 750.0 mL of solution.0.750 M99 M1.3 M2.0 M
- 15. Multiple ChoiceHow many moles are needed to make 2.5 L of a 3.8 M solution?9.5 mol0.66 mol1.5 mol15 mol
- 16. Multiple ChoiceWhat is the mole ratio of H2O to H3PO4 in the following chemical equation? P4O10 + 6 H2O --> 4 H3PO46:44:61:33:1
- 17. Multiple Choice
How many moles are required to prepare 300.00 ml of a solution with a concentration of 0.50 M?
0.15 mol
150000 mol
1.67 mol
1.67x10^-6
- 18. Multiple Choice
How many moles would be in 85mL of 0.75M KOH?
113.3 mol
1.13 mol
.113mol
0.06375mol
63.75mol
- 19. Multiple Choice
How many grams of Silver chloride form if 20 ml of a 50 M solution of Silver nitrate react with unlimited Sodium chloride?
358300 grams
2.79 grams
143.32 grams
57328 grams
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