PTHH:\(CaO+H_2SO_4\rightarrow CaSO_4+H_2O \)
tl 1 : 1 : 1 : 1 (mol)
br \(\dfrac{1}{7}\) -> \(\dfrac{1}{7}\)
n\(_{CaO}=\dfrac{8}{56}=\dfrac{1}{7}\left(mol\right)\)
Đổi 200ml=0,2l
=>\(C_{MH_2SO_4}=\dfrac{\dfrac{1}{7}}{0,2}=\dfrac{5}{7}\left(M\right)\)
\(n_{CaO}=\dfrac{m}{M}=\dfrac{8}{56}=0,14\left(mol\right)\)
PTHH:\(CaO+H_2SO_4\rightarrow CaSO_4+H_2O\)
0,14 0,14
\(CM=\dfrac{n_{ct}}{V_{dd}}=\dfrac{0,14}{0,2}=0,7\left(M\right)\)
\(n_{CaO}=\dfrac{m}{M}=\dfrac{8}{56}=\dfrac{1}{7}mol\)
PTHH CaO + H2SO4 -> CaSO4 + H2O
1/7 1/7
đổi 200ml=0,2l
\(C_M=\dfrac{n_{ct}}{V_{dd}}=\dfrac{\dfrac{1}{7}}{0,2}=\dfrac{5}{7}M\)
