[Hóa 9]

K

kaitokidsd

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L

lp_qt

phương trình

$MCO_{3}+HCl$ \rightarrow $MCl +CO_{2}+H_{2}O$

$n_{H_{2}O}=n_{CO_{2}}=\dfrac{1}{2}.n_{HCl}$

$m_{MCl}=m_{MCO_{3}}+m_{HCl}-m_{CO_{2}}-m_{H_{2}O}$
$=20+0,4.36,5-0,2.44-0,2.18=22,2$
 
M

maivuongthuy

ta có phương trình

MCO3+HCl -------> MCl+CO2+H2O

nH2O=nCO2=12.nHCl

m MCl= m MCO3+ m HCl− m CO2− m H2O
=20+0,4.36,5−0,2.44−0,2.18=22,2
__________________
 
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