A titration is performed on a 25.0 mL sample of calcium hydroxide. A volume of 46.0 mL of a 0.15 mol/L solution of nitric acid is used to reach the end point. Calculate the
concentration of the calcium hydroxide.

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)

Why do lunar and solar eclipse not happen every month

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.