Chemistry, 03.07.2019 20:00 logicalness243
Calculate the concentration (m) of sodium ions in a solution made by diluting 25.0 ml of a 0.765 m solution of sodium sulfide to a total volume of 225 ml.
Answers: 1
Chemistry, 21.06.2019 13:50
An engineering team designs a new rocket that is faster and lighter than any other model being produced. however, the materials end up being so expensive that no company can afford to buy them. which step of the engineering process should have addressed this problem? a. know the background. b. evaluate the results. c. identify a need. d. do the work.
Answers: 2
Chemistry, 22.06.2019 03:50
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.
Answers: 1
Calculate the concentration (m) of sodium ions in a solution made by diluting 25.0 ml of a 0.765 m s...
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