Copper (ii) bromide is used as a wood preservative. What mass of CuBr2 is needed to prepare 750. 0 ml of a 1. 25 m solution?

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.