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The molar mass of carbon dioxide (CO2) is 44.01 g/mol. The molar mass of water (H2O) is 18.01 g/mol. A reaction uses 528 g of CO2. How many moles of water are used in this reaction?

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JoshEast

CO₂  +  H₂O  ------->  H₂CO₃

moles of CO₂ = \(\frac{MASS of Carbon}{ MOLAR MASS}\)
              
                       = \(\frac{528 g}{44.01 g / mol}\)
 
                       =  11.997 mol

mole ratio of  CO₂  :  H₂O  =   1  :  1
           
            ∴ moles of H₂O  =  (`11.997 mol )  *  1
                                       =  11.997 mol
                                       ≈  12  mol

Answer:

A - 12.0

Explanation:

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