![]() This molar mass calculator can only handle two bracket levels at a time. Tricalcium phosphate would be entered as Ca3(PO4)2. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. For example, calcium carbonate would be entered as CaCO3, not caco3. Element Cobalt (Co), Group 9, Atomic Number 27, d-block, Mass 58.933. The chemical formula should be entered using standard format. This calculator is a convenient tool for calculating the molar mass of chemical compounds in lieu of using a periodic table. Along with telling us the mass of one mole of an element, molar mass also acts as a conversion factor between the mass of a sample and the number moles in that. ![]() These include consumption of pH adjustment chemicals for RO feedwater, solubilities of scale forming compounds in reverse osmosis systems, and cation rejection calculations using charge balance (meq/l) in nanofiltration systems. 2 For normal samples from earth with typical isotope composition, the atomic weight can be approximated by the standard atomic weight 3 or the conventional atomic weight. Many other calculations require conversion into moles. The molar mass of atoms of an element is given by the relative atomic mass of the element multiplied by the molar mass constant, Mu 1 × 103 kgmol1. Knowing the desired concentration of ClO2, the system integrator can calculate the consumption of each of the reactants using the stoichiometric relationship:ĢNaClO2 + NaOCl + 2HCl ↔ 2ClO2 + H2O + 3NaCl ![]() For example, certain types of chlorine dioxide (ClO2) generators would use sodium hypochlorite (NaOCl), sodium chlorite (NaClO2) and hydrochloric acid (HCl). When calculating consumption of certain RO chemicals for reverse osmosis pretreatment or post-treatment, it is often necessary to convert into moles.
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