For that you have to use the Aufbau principle
For example, writing the electronic configuration of Fe(28)
I recommend that you memorize the aufbau principle. Once you learn it, you don’t need anything else except the atomic number of the element to write it’s electronic configuration.
1. The newspaper solution that would work best with inks is alcohol since alcohol can dissolve inks.
2. Water can be used to carry salts since salts are soluble in water.
3. Oils can be used to carry fatty acids since they're both hydrophobic substances.<span />
Answer: pH = 7.36. The pKa of H2PO4− is 7.21.
Explanation:
There are 2 valence elcetrons
Vapor pressure is **directly** related to the temperature of the liquid!! :)
