Asked by Anonymous
when 31g of copper(2)carbonate is used how many grams of co2 form ?
Answers
Answered by
oobleck
Hard to say, since you don't specify the reaction.
However, you could have something like
CuCO3 + ... -> Cu?? + CO2 + H2O
That would release 1 mole of CO2 for every mole of CuCO3.
Now just convert 31g CuCO3 to moles, and convert that back to grams of CO2
If that's not your reaction, then write the balanced equation and compare moles of CuCO3 and CO2
However, you could have something like
CuCO3 + ... -> Cu?? + CO2 + H2O
That would release 1 mole of CO2 for every mole of CuCO3.
Now just convert 31g CuCO3 to moles, and convert that back to grams of CO2
If that's not your reaction, then write the balanced equation and compare moles of CuCO3 and CO2
Answered by
DrBob222
I assume this is a decomposition reaction.
CuCO3 ==> CuO + CO2
mols CuCO3 = grams/molar mass = ?
1 mol CuCO3 produces 1 mols CO2.
grams CO2 = mols CO2 x molr mass CO2 = ?
CuCO3 ==> CuO + CO2
mols CuCO3 = grams/molar mass = ?
1 mol CuCO3 produces 1 mols CO2.
grams CO2 = mols CO2 x molr mass CO2 = ?
Answered by
sdrytgf
12
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