Recent content by roxy6

  1. R

    Need help on two questions (electron configuration and stoichiometry

    A compound is analyzed and it contains H,N,O and C. The original sample is 1.3957 grams. The sample is burned in excess oxygen to form 2.24 grams of CO2. 0.04 grams H is evaluated in the original sample. a. What are the grams of oxygen in the original sample? b. The original compound contains...