What is reflux? isn't it like when u aren't able to digest something?
Hydroxide ions (OH-) greatly increases in number and or concentration, number within a given volume, when a base is dissolved in water. This explanation proposes the Arhennius definition of a base.
A 0.25m solution of NaCl is defined as a solution consisting of 0.25mol NaCl dissolved in 1kg water:
Which choice fits this definition: None does. I suggest that you recheck the data you have submitted - you have a mixture of moles, mass, etc and it is easy to make a mistake.
d) looks promising if it was: 1.0 mol NaCl dissolved in 4kg water.
I have overlooked C) as possible 0.25mol NaCl in 1kg water as being a little too obvious.
D. Viral disease
Because it’s a virus that spreads around to other people and need a vaccine to combat it
