During an experiment to determine the value of R a student collected the following data: Molarity of HCl 3.00M Volume of HCl 20.3ml Mass of Mg 0.0411g Volume before equalization chamber 43.1ml Volume after equalization chamber 42.7ml Barometric pressure 759.1mmHg Temperature 21.9 Calculate the following information and show all work. Moles of Mg reacted ____ Moles of H2 formed ____ Vapor pressure of water 19.8mmHg Pressure of H2 from dalton’s law ____ Volume of H2 ____ Temperature(k) ____ Calculated R value _______

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