- The percent composition of a compound is established after the chemical analysis of this compound and the knowledge of the chemical formula.
- If you know the chemical formula you need to know the atomic weights of the components to calculate the percent composition.
Chat with our AI personalities
Quantitative measures (volume, mass or some other) of one component and of the total.
To find the percent composition of (NH4)2S, you first need to calculate the molar mass of the compound. The molar mass of (NH4)2S can be calculated as follows: (1 nitrogen atom * 14.01 g/mol) + (8 hydrogen atoms * 1.01 g/mol) + (1 sulfur atom * 32.06 g/mol) = 68.15 g/mol. Next, you can find the percent composition of each element by dividing the individual element's molar mass by the molar mass of the entire compound and multiplying by 100. The percent composition of (NH4)2S is approximately 20.56% nitrogen, 6.96% hydrogen, and 72.48% sulfur.
The first step to determine the formula of a new substance is to determine the elements present in the substance through experimentation or analysis. Once the elements are identified, the next step is to determine the ratio of atoms of each element in the substance to establish the chemical formula.
You still need to know the number of protons present in order to find the atomic mass.
I need to know the latitude of places where the sun is overhead on any particular day. The information is needed to enable me to find latitude.
Foods are very complex products and they haven't a composition as a molecule.The composition of foods is determined by methods of analytical chemistry.