\(V=1344m^3=1,344l\)
a)\(V_{O_2}=1344\cdot10\%=134,4cm^3\)
b)\(n_{O_2bđ}=\dfrac{1,344}{22,4}=0,06mol\)
\(\Rightarrow m_{O_2}=0,06\cdot32=1,92g\)
\(BTKL:m_{KClO_3}=m_{CRắn}+m_{O_2}\)
\(\Rightarrow m_{CRắn}=12-1,92=10,08g\)
\(\%m_{CRắn}=\dfrac{10,08}{12}\cdot100\%=84\%\)