CaC2( s ) + 2 H2O(l )→ C2H2 ( g ) + Ca(OH)2( aq )
Find out the mole ratio between reactants and product for the above reaction.
Find out the moles in 5.00g CaC2?
Using the answer for b find out how many moles of acetylene will be produced by adding water to from 5g of CaC2?
How many grams of acetylene (C2H2) are produced by adding water to 5g CaC2?
Calculate the volume of C2H2 produced from the answer in d.
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Strategy
Write the chemical equation.
Calculate the moles of product from the first reactant.
Calculate the moles of product from the second reactant.
Identify the limiting reactant and the excess reactant.
Calculate the mass of excess reactant used up.
Calculate the mass of unused excess reactant.
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CaC2 + H2O→C2H2 + Ca(OH)2 The reaction of calcium carbide and water produces acetylene gas (C2H2) and calcium hydroxide.What volume of C2H2 will form .
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