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Gre4nikov [31]
1 year ago
3

experiment 3: use your calibration plot to determine the copper(ii) sulfate concentrations in your two unknown samples.

Chemistry
1 answer:
Katarina [22]1 year ago
8 0

By testing an unknown CuSO₄ solution's absorbance with a Colorimeter The concentration on the horizontal axis of the graph can be calculated by finding the absorbance of unknown on the vertically axis of the graph.

<h3>What do you mean by concentrations?</h3>

Concentration is the amount of a substance in a particular space. Another definition of concentration is the proportion of the solute to the fluid or whole solution. Usually, mass per volume is used to define concentration.

<h3>What is an example of a concentrated solution?</h3>

In a concentrated solution, the solute is present in the solvent at high quantities. Examples include orange juice, brine solution, and dark tea. To make a diluted solution, large amounts of the solvent are combined with little amounts of the solute. Examples include salt solution and light-colored tea.

To know more about Concentration visit:

brainly.com/question/10725862

#SPJ4

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What is family and it's importance<br>​
Rus_ich [418]

Answer:

<h2><u>FAMILY:</u></h2>

Family is defined as a specific group of people that may be made up of partners, children, parents, aunts, uncles, cousins and grandparents. An example of a family is a set of parents living with their children. The definition of family is the group of people who share common ancestors.

<h2><u>IMPORTANCE:</u></h2>

Family is very important part of our everyday life. It helps us in improving our personality. It also helps us in shaping our life. It teaches us the value of love, affection, care, truthfulness and self-confidence and provides us tools and suggestions which are necessary to get success in life.  Family is a place where you can be yourself. It is a place where you are accepted for what you are. This is where you are completely tension free and everyone is there to help you. Family encourages you when you are surrounded by problems. It helps you survive through tough times and bring joy and happiness into life.

3 0
3 years ago
Aqueous hydrochloric acid reacts with solid manganese(iv) oxide to form aqueous manganese(ii) chloride, liquid water and chlorin
maria [59]
4HCl + MnO₂ → MnCl₂ + 2H₂O + Cl₂

2Cl⁻ → Cl₂ + 2e⁻                                     
MnO₂ + 4H⁺ + 2e⁻ → Mn²⁺ + 2H₂O         

2Cl⁻ + MnO₂ + 4H⁺ → Cl₂ + Mn²⁺ + 2H₂O
7 0
4 years ago
Read 2 more answers
It is the combination of the uppermost mantle and the crust​
melomori [17]

Answer:

lithosphere

Explanation:

7 0
3 years ago
A chemist burns a serving of peanuts in a calorimeter and sees that 150000 j of energy is released what should the nutritional l
Sergio [31]

We know that

1 calorie = 4.184 Joules

so let us convert the joules to calories first

1 Joule = 1 / 4.184 Cal

150000 = 150000 / 4.184 Cal = 35850.86 Cal

Now in case of food articles

one calorie = 1 Kcal

Therefore on food label it will = 35.851 Cal

5 0
4 years ago
2 Points
oee [108]

Answer:

C would be the most best choice for this question.

Thank you.

If you have any questions, feel free to leave a comment and I will get back to it as soon as I can.

-The Spectre

Explanation:

7 0
3 years ago
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