Answer to Question #122934 in General Chemistry for Emanuelly Ester Lemos Siqueira

Question #122934
What is the theoretical volume of carbon dioxide that can be obtained, at room temperature
and pressure, when 1.2 g of Na2CO3(s) reacts with 50cm3
of 1.0 M HNO3?
1
Expert's answer
2020-06-19T07:27:09-0400

The balanced equation of the reaction is,

"Na2CO3+2HNO3\\to2NaNO3+CO2+H2O"

Mole ratio is "1:2\\to2:1:1"

No of moles of "Na2CO3=\\dfrac {1.2g}{105.9g\/mol}"

"=0.01133mol"

"0.01133mol" of "Na2CO3" produced "0.01133mol" of "CO2" since the mole ratio is 1:1

At room temperature "1mol" "of CO2=24dm^3"

Therefore,

If "1mol=24dm^3"

"0.01133mol=??"

"=0.27dm^3"

Theoretical volume of carbon dioxide produced is "0.27dm^3"


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