EssaysForStudent.com - Free Essays, Term Papers & Book Notes
Search

Determining the Empirical Formula of a Compound

Page 1 of 3

Science Lab 4B

Kaitlin Doucet

Mr. McIntosh

Determining the Empirical Formula of a compound

Objectives:

        -To form a compound from the elements iron and oxygen

        -To determine the empirical formula of a compound produced in this chemical reaction

Supplies

        -Ringstand

        -Ring support

        -Lab Burner

        -Crucible

        -Crucible tongs

        -Water –soluble marker

        -Pipestem triangle

        -heat resistant mat

        -Centigram Balance

        _Lab apron

        -Safety goggles

        -Medicine dropper

Chemical Reagents:

        -Steel wool, fine

        - 1M ammonium chloride soloution, NH CL

Procedure:

        -Refer to page 42 in the “Essential Experiments for chemistry”

Data and Observations (Experimental Results):

Before  the reaction

Mass of crucible+iron

27.20g

Mass of crucible

24.20g

Mass of iron

300g

After the recation      

Mass of crucible+compound

27.90g

Mass of crucible

24.09g

Mass of steel wool

3.80g

Observations (Days)

                                             1

Steel wool is dry, coarse, and grey

 NH CI made steel wool damp

Nh CI pooled at bottom of Crucible

                                             2

Steel wool is slightly damp

turned slightly brown in colour

                                             3

Pretty damp, more NH CI is added

NH CI is no longer in the bottom of crucible

                                             4

Steam coming off wool

Crucible red from heat

More steam through level of heat

Download as (for upgraded members)
txt
pdf
Citation Generator

(2018, 01). Determining the Empirical Formula of a Compound. EssaysForStudent.com. Retrieved 01, 2018, from https://www.essaysforstudent.com/Science/Determining-the-Empirical-Formula-of-a-Compound/108619.html

"Determining the Empirical Formula of a Compound" EssaysForStudent.com. 01 2018. 2018. 01 2018 <https://www.essaysforstudent.com/Science/Determining-the-Empirical-Formula-of-a-Compound/108619.html>.

"Determining the Empirical Formula of a Compound." EssaysForStudent.com. EssaysForStudent.com, 01 2018. Web. 01 2018. <https://www.essaysforstudent.com/Science/Determining-the-Empirical-Formula-of-a-Compound/108619.html>.

"Determining the Empirical Formula of a Compound." EssaysForStudent.com. 01, 2018. Accessed 01, 2018. https://www.essaysforstudent.com/Science/Determining-the-Empirical-Formula-of-a-Compound/108619.html.