Calculate the mass of solid which would be precipitated when 35g of carbon 4 oxide are passed through a solution of calcium hydroxide
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CO2 + Ca(OH)2 ==> CaCO3 + H2O
mols CO2 = grams/molar mass = ?
Using the coefficients in the balanced equation, convert mols CO2 to mols CaCO3. You can see that 1 mol CO2 will produce 1 mol CaCO3.
Now convert mols CaCO3 to grams. grams CaCO3 = mols CaCO3 x molar mass CaCO3