50mL of potassium hydroxide (KOH) solution contains 7 grams of potassium hydroxide. What is the molarity (mol/L) of the potassium hydroxide solution?
Given the atomic masses:
K= 39,0 = 16 and H= 1​

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.