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CHEM 122 UNKV Concentration Temperature & Solubility of Salts Lab

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Chemistry

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University of Nevada Las Vegas

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RUNNING HEAD: Lab 1 Brown 1
Concentration, Temperature, and Solubility of Salts
Vanessa A. Brown
CHEM 122
June 6, 2020

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Lab 1 Brown 2
Introduction:
During this lab, there will be testing the difference between types of compounds and
solutions. The types of solutions include saturated, unsaturated, and supersaturated. The type of
solution is determined by how much salt or solute it absorbs. A saturated solution is when the
solute dissolves until it cannot anymore. Similarly, to a saturated solution, there can be a
supersaturated solutions which is caused by a solvent absorbing more of a solute than it can hold
normally. On the other hand, an unsaturated solution is when a solution does not absorb its
maximum capacity and it is able to dissolve more (Libertexts, 2020).
The next step is understanding the difference between heterogenous and homogenous
mixtures. Heterogeneous mixtures are a type of mixture that you can physically see different
parts within the mixture or combination. A basic example of a heterogenous example would be a
peperoni pizza. On the pizza, we can see the pepperonis, cheese, sauce, and crust. Opposite of a
heterogenous mixture there are homogeneous mixtures. This is when you cannot see the different
parts of a mixture, all the parts combine and become one substance. An example of a
homogenous mixture would be salt water. The salt is mixed into the water and dissolves into the
water where it is not seen separately (Ophardt, 2020).
I hypothesis that each of the different solutions will require a different amount of solute
to become saturated. I think that salt requires the most. I think that if there is less water, then it
will require less of the solute in order to become saturated.
Methods and Materials:
To begin the lab, obtain 0.1 liters of water. Begin by adding cobalt (II) nitrate until the
solution becomes saturated. Now record the amount of solute it requires to saturate the solution.

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RUNNING HEAD: Lab 1 Brown 1 Concentration, Temperature, and Solubility of Salts Vanessa A. Brown CHEM 122 June 6, 2020 Lab 1 Brown 2 Introduction: During this lab, there will be testing the difference between types of compounds and solutions. The types of solutions include saturated, unsaturated, and supersaturated. The type of solution is determined by how much salt or solute it absorbs. A saturated solution is when the solute dissolves until it cannot anymore. Similarly, to a saturated solution, there can be a supersaturated solutions which is caused by a solvent absorbing more of a solute than it can hold normally. On the other hand, an unsaturated solution is when a solution does not absorb its maximum capacity and it is able to dissolve more (Libertexts, 2020). The next step is understanding the difference between heterogenous and homogenous mixtures. Heterogeneous mixtures are a type of mixture that you can physically see different parts within the mixture or combination. A basic example of a heterogenous example would be a peperoni pizza. On the pizza, we can see the pepperonis, cheese, sauce, and crust. Opposite of a heterogenous mixture there are homogeneous mixtures. This is when you cannot see the different parts of a mixture, all the parts combine and become one substance. An example of a homogenous mixture would be salt water. The salt is mixed into the water and dissolves into the water where it is not seen separately (Ophardt, 2020). I hypothesis that eac ...
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