Answer : The molality of the solution is, 0.788 mole/Kg
Solution : Given,
Mass of solute,
= 25 g
Mass of solvent,
= 125 g
Molar mass of solute,
= 253.8 g/mole
Molality : It is defined as the number of moles of solute present in one kilogram of solvent.
Formula used :

Now put all the given values in this formula, we get the molality of the solution.

Therefore, the molality of the solution is, 0.788 mole/Kg
Answer:
attached below
Explanation:
The Four Claisen condensation are grouped into :
- Self Claisen condensation reaction
- Cross Claisen condensation reaction
Self Claisen condensation is when R = R'
Cross Claisen condensation is when R ≠ R'
attached below are the four Claisen condensation
Answer:
2K + HgCl2 —> Hg + 2KCl
Explanation:
K + HgCl2 —> Hg + KCl
The above equation is not balanced
To balance the equation, do the following.
First, put 2 in front of KCl, the equation becomes,
K + HgCl2 —> Hg + 2KCl
Now we see that Cl is balanced but K is not. To balance K, put 2 in front of K as shown below:
2K + HgCl2 —> Hg + 2KCl
Now we can that the equation is balanced
Answer:
121 million joules energy is released
Explain :
As there are 500 moles of hydrogen gas in a kilogram, this means that burning a kilogram of hydrogen gas releases 500 times as much energy or 121 million joules .
4.167 m/per second 250 m/per minute