A. What is the electron-pair geometry for I in IF5? There are lone pair(s) around the central atom, so the geometry of IF5 is. B. What is the electron-pair geometry for Se in SeF6? There are lone pair(s) around the central atom so the geometry of SeF6 is

A 35 cm³ sample of 0.15 M CH3COOH (Ka of this solution? Select one: a. 3.97 b. 7.00 c. 11.36 d. 5.53 e. 4.75* Select one: = According to the Bronsted-Lowry definition, an acid is a substance which donates a a. hydride ion. b. hydrogen ion. c. hydrogen molecule. d. hydroxide ion. e. hydrogen atom. * 1.8 x 10-5) is titrated with 30 cm³ of 0.15 M NaOH. What is the pH

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Explain the SOP for pH meter a. Selection, identification, proper use, and care of the pH meter (select one brand) b. Inspection and care of the pH probe (select one probe to discuss) c. Procedure for calibration and reading of solutions pH

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How can we answer these questions? 1) What other methods could you have used to identify the unknown chemical? 2). What is/are the dominant species in solution at pH = 4.4? 3) Does the solution at pH = 4.9 constitute a buffer? What about at pH- 5.9? Explain

can search the web by typing the chemical name followed by SDS) b) what is the best practice to follow if a small amount of sulfuric acid (1M) comes in contact with your bare hand? 2. Write a one or two sentence statement of what the purpose of this lab is. 3. To prepare for laboratory: For each of the eight unknowns solutions that you will identify in lab (see above or table below), identify the chemical color and the pH category (acidic, neutral, or basic) that you expect to find. Prepare a table to summarize your initial expectations for the color and pH tests. A. Introduction- A Fictitious Scenario ne Chem-Police, a division of the Office of Homeland Security created in re-