Which of the following will solve for the number of moles found in 22.98 g of NaCl?
(Atomic masses: Na= 22.98 and Cl = 35.45)

A. 58.43 x 35.45 / 22.98

B. 22.98 x 58.43 / 1

C. 58.43 x 1 / 22.98

D. 22.98 x 1 / 58.43

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

What is the standard unit of measure for acceleration?

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.