1. Calculate the following: (Stote the otomic moss of eoch atom you are using for eoch solution) (a) the percent composition of ammonia, NH, (b) the percent composition af photographic "hypo," Na:5:01 (c) the percent of cakium ion in Ca(POdi 2. What is the total mass (amu) of corbon in each of the following molecules? (Stote the atomic mass of each atom you are using for each solution) ta) CH. (b) CHCH (e) CuHuo. (d) CH,CH,CH,CH;CH, 3. Calculate the molecular or formula mass of each of the following: (Stote the atomic mass of each atom you are using for each solution) (a) Pa. (b) H30 (c) Ca(NO,) (d) CH;CO,H (acetic acid) (e) CuHO1 (sucrose, cane sugar).