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Partners: Jeff Somvorachith 11. Molecular Mass Determination Using Boiling and Freezing Point P...

We ended up with a 1.28% error, meaning some heat was probably lost, though it was close. This er...

ΔHR1= -1.875 kJ ΔHR2= -4.678 kJ ΔHR3= -2.865 kJ molR1=2.00/(22.99+16.00+1.008)= 0.05 mol mo...

8. Rinse and dry the temperature probe, cup, and stirring rod. Dispose of the solution as directe...

Partners: Jeff Somvorachith, Connor Engels 10. Additivity of Heats of Reaction: Hess's Law Purp...

The formula for the Mg HCl reaction is Mg+2HCl->H2+MgCl2. Since the moles of Mg equal the moles o...

Started slowing down as magnesium disappeared. Some HCl went out the stopper. Some bubbles stuck ...

 Clamp the eudiometer into position on the ring stand. The acid flows down the tube(less dense) a...

12/3/24 9. Molar Volume of a Gas Purpose: To practice calculating the molar volume of a gas by...

Conclusion: The purpose of the lab was to determine the concentration of acetic acid in vinegar....

Trial 4: 34.4mL-26.2mL=8.2mL (8.2/1000)/(10mL/1000)=0.82M Trial 5: 42.65mL-34.4mL=8.25M (8.2...

Data: Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Trial 6 Amount of vinegar 1...

11/12/24 8. Vinegar Titration Lab Purpose: Determine the concentration of acetic acid in vineg...

Our % deviation was 0.990%, meaning our answers between each trial was pretty close to the averag...

Analysis:   KHC8H4O4+NaOH->NaKC8H4O4+H2O Trial 1: 10.00mL-0.20mL=9.80mL NaOH used 2.00g/(39.10...

11/7/24 Partner: Jeff Somvorachith 7. Standardization of a NaOH Solution Purpose: To determin...

was left over after and what was left over was the limiting reactant. The limiting reactant turne...

3. Water was added to remove any underacted copper(II) sulfate, iron, and iron(II) sulfate. The s...

The tape on our beaker burned. Took about 1 minute 50 seconds to dissolve. Letting off steam. See...

Partner: Jeff Somvorachith 11/4/24 6. Stoichiometry and Limiting Reagent Purpose: To practice...