Empirical Formula LAB
(Full Write up!)
In this lab you will combine zinc metal with hydrochloric acid to form zinc chloride. Hydrogen gas (H2)
will be given off as a by-product. You will use your data to calculate the empirical formula of zin
Name _ Sec# _ Lab TA _
DATA: Color of Ionic Salts and Solutions
SALT AND SOLUTION COLOR
II WHITE LIGHT
III COLORED NITRATE_
Solution Color: _
White Light C
Determination of the Empirical Formula for Zinc Chloride
Name:_ Course_ Period:_
Show your Calculations for the following problems
1. How many grams of sulfur would combine with 26.1 g of potassium to form K2S?
2. A 1.31g sample of sulfur was react
Chemistry Unit 5 - Empirical Formula Lab
In this experiment, a measured amount of zinc will be allowed to react with
hydrochloric acid, HCl.
One of the reaction products will be zinc chloride. You will obtain data that will
enable you to
Determine the Chemical Formula for Zinc Chloride
Ring stand and ring
Chemicals: Granular zinc (0.4 - 0.5 grams)
6 M HCl (density = 1.098gm/ml)
Elemental zinc reac
Chem 201: Experiment 2
Analysis of Phosphate
Procedure: Refer to my prelab on page 41. *Change: 5:1 dilution instead of 30:1.
Concentration of fertilizer: 2.80 g/L
Composition of fertilizer: (18%N, 18%P, 21%K)
Energy drink: coke
Chem 201: Experiment 4
Procedure: Refer to page 52 in my lab notebook for the procedure.
The unknown acid: 3329
NaOH concentration: 0.09449 M
Initial Volume: 3.00 mL
Final Volume: 19.2 mL
Equivalence Point fo
Chem 201: Experiment 5
Determining Kf of a Complex Ion
Procedure: Refer to page 55 in my lab notebook. No changes were made.
Wavelength at max. Absorbance: 595 nm
Maximum Absorbance: 0.686 A
Test tube #
Experiment 7: Kinetics of Erythrosin B Oxidation
Procedure: The procedure can be found on page 4 in my lab notebook.
Chem 201: Experiment 3
Using the pH Meter to Measure Ka and Kb
Procedure: Refer to page 46 in my lab notebook for the procedure.
Table 1. pH values
0.001 M solution diluted: 5.94
0.001 M solution diluted: 9.90
Chem 201: Experiment 1
Introduction to the Spectrometer
Procedure: Refer to my pre-lab. I used the indicator: bromophenol blue. *Change: 350nm was
changed to 400nm.
In my experiment I determined that the maximum a
Neils Bohr was credited with helping the development of the Atomic model by assuming
that electrons travel in stationary orbits defined by their angular momentum. Bohrs
thinking led to the calculation of possible energy levels for the orbits
Job Title: Ceramics Industry
Like: ceramic engineer, ceramic process
engineer, glass & ceramic engineer, etc.
Ceramic Engineer: $44,090 to $69,660 to
*$46,000 to $74,000 to $112,000
Chemistry Project: Electrolytes
Athletes are told by a sports nutritionists or coach that it is
essential to replace the electrolytes in there bodies after intense
training sessions, that is why athletes drink sports drinks.
Electrolytes basically exist a
The Elements of Fireworks
People think that fireworks associates with the fourth of July, but it is mainly created
for and associated with New Years celebrations. There is a legend of a Chinese cook who
accidentally spilled saltpeter into a cooking fire,
From primitive abaci to lab tops and calculators, the computer has evolved through time to become the essential part of our technocratic society. The development of the computer has shaped the way technology and science is viewed in different cultures ar
#-# Simulation Display #-# line = hash of line names to array of # stations = hash of station names => # hashes for each line # OR hash for "passenger" # trains = hash of train names => hash def displayState(lines,stations,trains) lines.keys.sort.each cfw