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    				| 1. | 
                                    when 4gm of a mixture of NaHCO3 and NaCl is heated , 0.66gm CO2 gas is evolved .determine the percentage composition of the mixture? | 
                            
| Answer» when 4gm of a mixture of NaHCO3 and NaCl is heated , 0.66gm CO2 gas is evolved .determine the percentage composition of the mixture? | |