There is a solution that contains 10 moles of acetic acid (pka = 4.75). How many moles of sodium acetate will need to be added to this solution to result in a pH of
5.30?

[?] moles

Why does his teacher ask him to balance the equation by including the correct coefficient

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

Identify the electromagnets with poles that are reversed from the electromagnet shown above