Southwestern CC Determination of A Chemical Formula by Titration Post Lab Report

complete the following post lab and follow the requirements below:

Calculations/Results

Summarize your observations from part I. This may be done in a table or in paragraph form. What conclusions can you draw about the reactivity of zinc vs calcium?
Calculate the ratio of OH:Ca FOR EACH TITRATION. Show all work and use narrative to explain your calculations. Use this ratio to determine the formula for the compound containing calcium and hydroxide. You only need to show the full calculation for the first trial as long as all calculations were performed the same way. If this is the case, you may simply report the results for trials 2 and 3 in a summary table without showing additional work.
Create a summary table include all relevant data, observations and results.
Calculate the average and standard deviation for the ratio OH:Ca. Report this as ¯x±?x¯ ± ? (avg plus/minus standard deviation).

Discussion

Summarize the experiment and experimental goals in 1-2 sentences
Discuss reactivities of Group I and Group II metals with water and HCl. How are they similar or different from the reactivity of non-active metals (like zinc) with water and HCl?
Discuss why acid-base titration was an appropriate method to use in this experiment
Based on your chemical knowledge, what is the correct formula for calcium hydroxide? Does this match your experimental results? If not, explain what errors may have led to an incorrect empirical formula.
Discuss potential sources of error including both personal errors (like overrunning the endpoint) and any systematic or random errors you may have encountered. How large of an effect do you think these errors had on your results? How would these errors affect your calculations, specifically the ratio of calcium to hydroxide?
What was the largest source of error?

Conclusion

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