Nahco3 And Nacl Reaction Lab

Aim:
To react NaHCO3 with HCl to form NaCl and two other products and then calculate the mole relationships between NaHCO3 and NaCl and calculate a balanced equation for this reaction.

Safety:
• Wear safety goggles at all time
• Handle all chemicals with care
• Use equipment like tongs when handling warm/hot objects
• If chemicals are spilt on self, wash off immediately
• Stand at all times

Hypothesis:
The NaHCO3 will react successfully with the HCl and will form NaCl, H2O and CO2. Then be able to work out a balanced equation for the reaction and work out the moles of NaHCO3 and NaCl.

Materials:
• Evaporating basin
• Watch glass
• Dropping pipette
• 250ml beaker
• 50ml beaker
• 10ml measuring cylinder
• Bunsen
During the experiment noticed that adding the HCl to the NaHCO3, it fizzed with quite audible sounds and continued to do so until every particle was dissolved. It also made the watch glass foggy due to the water vapor produced by the reaction. We know that our balanced equation is correct through the law of conservation of mass which states that matter can be neither created nor destroyed but can change forms. From our results we know that we had 1.5g of NaHCO3 (the mass of the basin and the NaHCO3 minus the basin) and once we added the HCl to create the NaCl, the NaCl weighed to be 1.41g. So it weighed to be 0.09g lighter than what we started with. With the law of conservation of mass, we know that this 0.09g was transferred into the mass of H2O gas or CO2 gas which was mixed into the air while drying the substance out over the water bath. From the balanced equation we know that for every one mole of NaHCO3 there will be one mole of NaCl. Before I knew the balanced equation I worked out the mole ratios to be 1 mole of NaHCO3 to every 1.3333 moles of NaCl which then worked to be evenly every 3 moles of NaHCO3 to every 4 moles of NaCl. We now know that the first assumption was wrong as it was 1/3 too much and wouldn’t have worked in with the chemical equation. The aim was to react NaHCO3 and HCl together and successfully create NaCl and two other gases which we know as H2O and CO2. We also worked out the balanced equation and the moles from this experiment and it was successfully achieved. My hypothesis was also correct. From looking at the 2 starting products and knowing one of the end products, I knew there would have to hydrogen, carbon and oxygen to have just the same elements as the starting ones had. From this I placed in 2 well known substances that had hydrogen, carbon and oxygen which happened to be H2O and CO2. I was also able to work out the moles of NaHCO3 and