how to calculate volume of gas produced in a chemical reaction
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Use a balance to weigh reactants in grams. Calculate the moles of each reactant by dividing the mass that you have of each reactant by the molar masses of reactants, which you can obtain from a periodic table.
Determine the stoichiometric ratio of moles of any reactant to moles of CO2. For instance, if your equation is CaC03 + 2HCL => CaCl2 + CO2 + H2O, then the ratio of moles of CaCO3 to CO2 is 1:1. For every mole of CaCO3 that you are using, you have one mole of CO2. Alternatively, for every two moles of HCl, you have one mole of CO2.
Determine the stoichiometric ratio of moles of any reactant to moles of CO2. For instance, if your equation is CaC03 + 2HCL => CaCl2 + CO2 + H2O, then the ratio of moles of CaCO3 to CO2 is 1:1. For every mole of CaCO3 that you are using, you have one mole of CO2. Alternatively, for every two moles of HCl, you have one mole of CO2.
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