Answer:
The answer is KF.
Explanation:
Ionic bonding occurs, when a metal and a non-metal combines together to form ionic compound. In KF, K is a metal and F is a non-metal.
Answer:
Potassium is the only element with 19 electrons.
Explanation:
Answer:
I think u mean molar mass of ca(Mno4)2
if so it is 277.949 g/ mol
Answer:
No
Explanation:
If you added the reactants on the reactant side because there is one atom for nitrogen on the product side while there is two atoms on the product side. There are more hydrogen products on the reactant side as well.
Answer:
The correct solution is "3.28 m".
Explanation:
According to the question,
Mol fraction of solvent,
= 0.0558
Molar mass of water,
= 18 g/mol
Mol of H₂O in 1000 g water,
= 55.55 mol
Now,
Let the mol of solute will be "x mol".
Total mol in solution will be "55.55 + x".
As we know,
⇒ The mol fraction of solvent = 

![x=0.0558[55.55+x]](https://tex.z-dn.net/?f=x%3D0.0558%5B55.55%2Bx%5D)

