bai hoa kho ve cacbon

T

thuy_linh_95

2HCl + Na2CO3 = 2NaCl + CO2 + H2O ( H+ dư)
b---------a---------------------a => Thu đc V CO2
Na2CO3 + 2HCl = 2NaCl + CO2 + H2O ( H+ Hết)
a--------------b-----------------b/2 => thu đc 2V CO2
=> a=b
 
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