Prepare a standard additions plot using the potential data for the ten additions of 0.1 m cacl 2 and the value obtained for the celery salt mixture prior to making the additions. harris (9 th edition) has a nice discussion of the principle on pp. 106-108 and there is a detailed outline of the exact procedure on the ise poster in the lab and in the hall outside the lab. you may also consult handout 7, posted on canvas. calculate the concentration of chloride in the beaker in moles per liter and in ppm chloride. also calculate the wt% nacl in the solid celery salt.