I have 200ml of a 1.74m cupric chloride solution. I am going to replace the copper with solid aluminum in a single replacement. What mass of aluminum will I need to remove the copper?

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Joan writes four numbers on the board in standard form, and then she writes their scientific notation