10g caco3 on heating leaves behind a residue weighing 5.6g. Carbon dioxide released into the atmosphere at stp will be?

1 Answer
Truong-Son N.
Apr 22, 2018

#"CaCO"_3"(s)" rarr "CaO(s)"_color(red)text (Residue) + "CO"_2"(g)"#

#100# grams of calcium carbonate liberates approximately #22.4 color(white)x"L"# carbon dioxide at #"STP"#, #0^@ "C"# and #"1 atm"# pressure because it's about #"1 mol"# of #"CaCO"_3#.

Because volume is extensive,

#=> 10# grams of calcium carbonate liberates #22.4 ×10/ 100# #color(white)x"L"# carbon dioxide

#=2.24# #"L"# carbon dioxide.

Hope this helps. :)

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