chm 1025, spring 2017, exam 4 review packet name: date: 1… · · 2017-04-07if you are given 50...

CHM 1025, Spring 2017, Exam 4 Review Packet

Name: _____________________________________ Date: _________________

1. What are the bond angles for the molecule SiCl4

a. 180

b. 109.5

c. 120

d. 60

e. 360

2. In the balanced equation of hydrobromic acid and calcium hydroxide, what is the

summation of the coefficients in the reaction?

a. 2

b. 3

c. 4

d. 5

e. 6

3. If you have a 50mL of a 4M solution of HCl, what volume would you need to create a

solution of 9M?

a. 5 mL

b. 15 mL

c. 22 mL

d. 30 mL

e. 100 mL


4. Which of the following is a weak monoprotic acid?

a. HNO3

b. HBr

c. H2SO3

d. HClO4

e. HF

5. Which of the following molecules will be polar?

a. H2

b. CH4

c. CCl4

d. CO2

e. H2O

6. Which of the following bonds is most polar?

a. CO

b. CN

c. CF

d. SiN

e. SiP


7. What is the (m/m) concentration of 0.5 moles of NaCl in 20mL of water?

a. 04%

b. 20%

c. 48%

d. 59%

e. 11%

8. If you have a 25 mL of a 5M solution of HCl, how many moles are in the solution after

you change the volume to 50 mL?

a. 0.5

b. 0.125

c. 0.25

d. 1

e. 0.75

9. What volume of 3M NaOH would you need to titrate .5L of 5M HCl?

a. 0.56 L

b. 0.11 L

c. 0.73 L

d. 0.83 L

e. 0.13 L


10. Which of the following is a weak electrolyte?

a. HF

b. H2SO4

c. NaOH

d. HCl

e. NaCl

11. How many grams of KCl are needed to make 300mL of a 4M solution?

a. 91.2

b. 89.5

c. 35.6

d. 61.9

e. 80.5

12. If you are given 50 mL of 1.35 M HCl and 75 mL of 1.5 M NaOH, what is the maximum

amount of NaCl that can be produced?

a. 1.23 g

b. 3.94 g

c. 6.89 g

d. 8.12 g

e. 9.08 g


13. If your conjugate base is HCO3-, what is the acid from this reaction?

a. H2CO4

b. H2O

c. HCO

d. H2CO3

e. CO32-

14. Determine the functional groups in the following molecule.

15. Which of the following functional group does not require oxygen?

a. Alcohol

b. Ketone

c. Amide

d. Alkane

e. Ester


16. Draw out the molecule NF3 and determine if the molecule is polar or non-polar, as well

as the molecular geometry.

17. Using the solubility graph would a solution of 25g of KClO3 in 100ml of water at 55 C

be saturated or unsaturated?

a. Saturated

b. Unsaturated


18. Using the solubility graph, for which of the following would you not be able to dissolve

30g of salt in 100ml of water at 20 C?

a. NaNO3

b. CaCl2

c. NaCl

d. K2Cr2O7

e. Pb(NO3)2

19. Carbonic acid is supplied from the chemical companies as an 87% (m/m) solution in

water with a solution density of 1.560 g/mL. What is the concentration of the acid in

units of molarity?

a. 10.4 M

b. 13.7 M

c. 21.8 M

d. 28.6 M

e. 32.3 M

20. Determine the highest attractive force in the following compounds.

LiBr H2O C5H12

a. H-Bond, Dispersion, Ionic

b. Ionic, Polar, Dispersion

c. Polar, H-Bond, Dispersion

d. Ionic, H-Bond, Dispersion

e. Dispersion, Polar, H-Bond

chm 1025, spring 2017, exam 4 review packet name: date: 1… · · 2017-04-07if you are given 50...

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