What value is most likely to be the ph of a salt that is formed by the reaction of a strong acid and a weak base

If you want to create an electrical current, which situation would produce a solution capable of this

What type of electromagnetic radiation has a shorter wavelength than blue light

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt