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Lab Report 8 Baruch - College Papers

Lab Report 8 Baruch

Tianhua Yu
Dr. Katash
CHM1003
2015-8-11
Soap Lab report #8
oo Abstract

The purpose of this experiment is to produce soap. And the main technique mainly focuses on the following chemical equation:

As for the experiment, we use animal fat and NaOH as reactants, and the product are soap with a NaCO3 salt layer.

oo Data
oo

Type of fat used ________Criso________________ā€Ø
Weight of fat taken _________58.10____________gā€Ø
Weight of NaOH used __________8_.0_0_______g
Weight of soap formed ________52.51_______gā€Ø

Use the weight of fat taken and the reaction to find the theoretical yield (weight) of soap bar? Theoretical yield ...

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fatty acids, and can be distinguished from one another by a quantitative analysis of these constituents

3) Why are vegetables fats (oils) liquid, while animal fats are solid?

Because vegetable fats are usually unsaturated fatty acid which means it has more C=C. C=C bond distance is shorter than C-C, so the molecule is shorter and it usually turns up to be liquid.

4) Why are naturally occurring fatty acids even-chained?

Because their biosynthesis involves acetyl-CoA, a coenzyme carrying a two-carbon-atom group.

5) Why do waxes, Vaseline and mineral oil all feel greasy like fats, even though they are not triglycerides?

Wax is branched chain acid and alcohol . When dehydrated, an ester forms resulting in a long chain non polar compound.

6) What is soda ash? How does it form? Why is it useful in water softening?

Soda ash is NaCO3(sodium carbonate). It is a by-product when making soap. The reason that I can softening water is ...

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PAPER DETAILS

Added: 9/16/2015 02:17:51 PM
Submitted By: ppf0026
Category: Science & Nature
Type: Free Paper
Words: 435
Pages: 2

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