a) \(n_{Cu}=\dfrac{7,68}{64}=0,12\left(mol\right)\)
PTHH: \(Cu+2H_2SO_{4\left(đ,n\right)}\rightarrow CuSO_4+SO_2+2H_2O\)
0,12--->0,24------------>0,12--->0,12
\(V_{SO_2}=0,12.22,4=2,688\left(l\right)\)
b) mdd sau pư = 7,68 + 60 - 0,12.64 = 60 (g)
\(C\%_{CuSO_4}=\dfrac{0,12.160}{60}.100\%=32\%\)
a) \(n_{Cu}=\dfrac{7,68}{64}=0,12\left(mol\right)\)
PTHH: \(Cu+2H_2SO_{4\left(đặc\right)}\xrightarrow[]{t^o}CuSO_4+SO_2\uparrow+2H_2O\)
0,12----------------------->0,12------>0,12
=> \(V_{SO_2}=0,12.22,4=2,688\left(l\right)\)
b) \(m_{ddspư}=7,68+60-0,12.64=60\left(g\right)\)
=> \(C\%_{CuSO_4}=\dfrac{0,12.160}{60}.100\%=32\%\)