Heya!
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The question is:
It's written in most chemistry books that A SOLUTION IS A HOMOGENEOUS MIXTURE- and, it actually is! But, it is also mentioned that MIXTURES DON'T HAVE A FIXED COMPOSITION AND HENCE, HAVE NO FORMULA. And, if we take the example of LIQUID IN SOLID SOLUTION- ie, HYDRATED SALTS (such as blue vitrol {CuSO4.5H2O}). These salts have a formula. But,
A SOLUTION IS A MIXTURE AND HYDRATED SALT IS AN EXAMPLE OF LIQUID IN SOLID SOLUTION; THEN, HOW CAN HYDRATED SALTS HAVE A FORMULA??? SINCE, THAT IS AN EXAMPLE OF SOLUTION, THEY ARE A MIXTURE; THEN HOW CAN THEY HAVE A FORMULA???????????????????????
PLEASE ANSWER!!!!!!!
Thanks in advance!
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abhaygoel71:
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Answers
Answered by
4
Hey there!
It is well said that, Solution is a true solution , In a solution, There might be any number of constituents , But You can't distinguish them with naked eye.
And, There is no such rule that There can't be a chemical formula for Homogeneous mixture or solutions.
So, Basically , The sentence Mixtures don't have a fixed composition might not be true for all solutions. A mixture might be homogeneous, or heterogeneous. So, Basically, Being a homogeneous or heterogeneous doesn't matter to have a chemical equation or not
Let's take the example to get a gold understanding about this,
Take a spoonful of salt, mix it with water. stir it until no salt is seen. Now this is a salt solution , It is indeed a homogeneous solutions.
But We know that, Salt solution has constituents of salt and water. We can frame a equation with it.
Now, " LIQUID IN SOLID SOLUTION " This designation is given to Colloids at most of time.
As we see, Colloidal particles are too small to distinguish, but yet they are Heterogeneous mixture.
It is well said that, Solution is a true solution , In a solution, There might be any number of constituents , But You can't distinguish them with naked eye.
And, There is no such rule that There can't be a chemical formula for Homogeneous mixture or solutions.
So, Basically , The sentence Mixtures don't have a fixed composition might not be true for all solutions. A mixture might be homogeneous, or heterogeneous. So, Basically, Being a homogeneous or heterogeneous doesn't matter to have a chemical equation or not
Let's take the example to get a gold understanding about this,
Take a spoonful of salt, mix it with water. stir it until no salt is seen. Now this is a salt solution , It is indeed a homogeneous solutions.
But We know that, Salt solution has constituents of salt and water. We can frame a equation with it.
Now, " LIQUID IN SOLID SOLUTION " This designation is given to Colloids at most of time.
As we see, Colloidal particles are too small to distinguish, but yet they are Heterogeneous mixture.
i doubt....
1*
If you add one spoon to a glass of water, and,
then in other glass of water, you add 5 spoons of salt, then,
their formula will be different..........
right???
@tejasgupta the formula will not be different . Just in one situation content of solute is more . Rest all things are same
And when we talk for example about mixing salt (NaCl) with water . Whether it be any amount of salt or water the resultant will be same . It will form salt solution after that too
Happiestwritter012 please delete Sameer450's answer
Nice
Answered by
5
Answer:
- A homogeneous mixture is a mixture in which all the components of the mixture are in equal proportion throughout the mixture.
- A homogeneous mixture can be solid , liquid or gaseous.
- A heterogeneous mixture is a mixture in which the proportion of the components of the mixture vary throughout the mixture.
- Heterogeneous mixtures can also be solid , liquid or gaseous.
- The conception that all the solutions are homogeneous is correct but the conception that they don't have any definite formula is wrong.
- All solids have equal formula no matter what are the components of the solution .
- In case of hydrated salts , liquid is added to solid as you have told but in this case too the mixture is a solution as liquid is added.
- We call a mixture, a solution only when any liquid is added.
- So liquid in solid is also an example of solution and hence they too have same formula.
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