[ hóa 11 ] tính khối lượng

Y

yumi_26

$n_{CO_2} = 1(mol)$

$CO_3^{2-} + 2H^+ -> CO_2 + H_2O$
1 mol <----2 mol <----1 mol
\Rightarrow $m_{CO_3^{2-}} = 1.60 = 60(g)$

$HCl -> H^+ + Cl^-$
.............2 mol......2 mol

\Rightarrow $m_{Cl^-} = 2.35,5 = 71(g)$

\Rightarrow $m_{muoi} = (115 - 60) + 71 = 126(g)$
 
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