{"compilation": {"title": "Solubility data from IUPAC SDS Volume 62 (page ?) - Carbon dioxide with Magnesium chloride and Water", "publisher": "The International Union of Pure and Applied Chemistry", "keywords": "Solubility, Solubility data series", "compilers": "Pirketta Scharlin", "sources": [{"citation": "He, S.; Morse, J. W.; Geochim. Cosmochim. Acta 1993, 57, 3533-54.", "pubtype": "paper", "url": "https://doi.org/10.1016/0016-7037(93)90137-l "}], "system": "Carbon dioxide with Magnesium chloride and Water", "substances": [{"constituent": 1, "name": "Carbon dioxide", "formula": "CO2", "molweight": 44.0095, "casrn": "124-38-9", "inchi": "InChI=1S/CO2/c2-1-3", "inchikey": "CURLTUGMZLYLDI-UHFFFAOYSA-N", "sample": "Commercial; purity 99.9%"}, {"constituent": 2, "name": "Magnesium chloride", "formula": "MgCl2", "molweight": 95.211, "casrn": "7786-30-3", "inchi": "InChI=1S/2ClH.Mg/h2*1H;/q;;+2/p-2", "inchikey": "TWRXJAOTZQYOKJ-UHFFFAOYSA-L", "sample": "Source not mentioned. Analytical reagent-grade which met ACS specifications. $\\ce{MgCl2.6H2O}$ was weighed and dissolved in water. The concentration of $\\ce{MgCl2}$ in solutions was determined by analyzing $\\ce{Cl-}$ concentration via $\\ce{AgNO3}$ titration in stock solutions."}, {"constituent": 3, "name": "Water", "formula": "H2O", "molweight": 18.0153, "casrn": "7732-18-5", "inchi": "InChI=1S/H2O/h1H2", "inchikey": "XLYOFNOQVPJJNP-UHFFFAOYSA-N", "sample": "18 M&#937; water obtained from a Milli-Q Super-Q water system."}], "method": "Either pure $\\ce{CO2}$ gas or $\\ce{CO2}-\\ce{N2}$ mixtures were used in the experiments to maintain a constant P($\\ce{CO2}$). The $\\ce{CO2}-\\ce{N2}$ mixtures were made by pumping predetermined amounts of $\\ce{CO2}$ and $\\ce{N2}$ into a gas tank and their composition was verified by gas chromatography.<br/>$\\ce{CO2}$ or $\\ce{CO2}-\\ce{N2}$ gas mixtures were equilibrated with the aqueous solutions in a series of stirred water-jacketed reaction vessels with condensers. The gas was pre-moistured by first passing it through distilled water at the temperature of experiment. Fine bubbles were obtained by using gas-dispersion tubes. The bubbling rate was 90-95 mL/min.<br/>The mole fraction of $\\ce{CO2}$ in the $\\ce{CO2}-\\ce{N2}$ mixture was determined using a Hewlett Packard (5790A) gas chromatograph.", "dataset": [{"series": 1, "points": [{"pntnum": 1, "conditions": [{"property": "Ambient temperature", "number": "2.7315e+02", "significand": "2.7315", "exponent": "2", "sigfigs": "5", "unit": "$\\pu{K}$"}], "data": [{"property": "Molality (1)", "number": "7.03e-02", "significand": "7.03", "exponent": "-2", "sigfigs": "3", "unit": "mol/kg"}, {"property": "Molality (2)", "number": "1e-01", "significand": "1", "exponent": "-1", "sigfigs": "1", "unit": "mol/kg"}, {"property": "Mass density", "number": "1.0090e+00", "significand": "1.0090", "exponent": "0", "sigfigs": "5", "unit": "g/cm<sup>3</sup>"}, {"property": "Activity Coefficent", "number": "1.07e+00", "significand": "1.07", "exponent": "0", "sigfigs": "3", "unit": "1"}], "supplemental": []}, {"pntnum": 2, "conditions": [{"property": "Ambient temperature", 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