Answer: Polar molecules
Explanation: Water is able to dissolve many substances because of its polar molecules, The positive and negative ends of a water molecule attracts the molecules of other polar substances..
I'm pretty sure, idk college stuff
0.94Answer:
Explanation:
TO find the number of moles in a substance given its number of
entities we use the formela
Just 2 valence electrons.
Hydrogen already has one to start with, as well. With the exception of hydrogen and helium, all other atoms need 8 valence e-
![V=3,5L\\ Cm=0,9M\\ M_{KCl}=74\frac{g}{mol}\\\\ C_{m}=\frac{n}{V}\\\\ n=\frac{m}{M}\\\\ C_{m}=\frac{m}{MV} \ \ \ \Rightarrow \ \ \ m=C_{m}MV\\\\ m=0,9\grac{mol}{L}*74\frac{g}{mol}*3,5L=233,1g](https://tex.z-dn.net/?f=V%3D3%2C5L%5C%5C%0ACm%3D0%2C9M%5C%5C%0AM_%7BKCl%7D%3D74%5Cfrac%7Bg%7D%7Bmol%7D%5C%5C%5C%5C%0AC_%7Bm%7D%3D%5Cfrac%7Bn%7D%7BV%7D%5C%5C%5C%5C%0An%3D%5Cfrac%7Bm%7D%7BM%7D%5C%5C%5C%5C%0AC_%7Bm%7D%3D%5Cfrac%7Bm%7D%7BMV%7D%20%5C%20%5C%20%5C%20%5CRightarrow%20%20%5C%20%5C%20%5C%20m%3DC_%7Bm%7DMV%5C%5C%5C%5C%0Am%3D0%2C9%5Cgrac%7Bmol%7D%7BL%7D%2A74%5Cfrac%7Bg%7D%7Bmol%7D%2A3%2C5L%3D233%2C1g)
B. Add 233 g of KCl to a 3.5 L container; then add enough water to dissolve the KCl and fill the container to the 3.5 L mark.
Answer:
i honetly dont thing anyone knows that so look it up
Explanation: