You decide it is time to clean your pool since summer is quickly approaching. your pool maintenance guide specifies that the chlorine, cl_2 , concentration of the pool should be between 1 and 3 ppm . in order to determine if your pool is safe to swim in, you send a sample of pool water to a chemist for analysis of the cl_2 content. the chemist reports a chlorine concentration of 2.82 x 10^− 5 m. convert the concentration of cl_2 to parts per million (ppm).