Try 2. Thus, H 2 O is composed of two atoms of hydrogen and 1 atom of oxygen. \({\text{S=1}}\) \({\text{O=4}}\) \({\text{H=2}}\) Therefore, the empirical formula will become \({{\text{H}}_2}{\text{S}}{{\text{O}}_4}.\), Calculation of Molecular Formulas from the Simplest Formula, Q.3. mass for this entire bag. (It seems like C tends to be written first?). You can view that as the you have an oxygen. wikiHow is a wiki, similar to Wikipedia, which means that many of our articles are co-written by multiple authors. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/1c\/Determine-an-Empirical-Formula-Step-1.jpg\/v4-460px-Determine-an-Empirical-Formula-Step-1.jpg","bigUrl":"\/images\/thumb\/1\/1c\/Determine-an-Empirical-Formula-Step-1.jpg\/aid4346837-v4-728px-Determine-an-Empirical-Formula-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
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