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using the data colleced for part B on your data sheet, calculate the molar mass of...

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Chemistry

using the data colleced for part B on your data sheet, calculatethe molar mass of the unknown acid. Show Calculations for trial #1and the average for part B.

Part B Data:

Trial #1 Trial #2 Trial #3   

Mass unknown acid, g: 0.252g 0.250g 0.251g

Final buret reading, mL: 39.1mL 41.5mL 39.1mL

initial buret reading, mL: 2.90mL 2.70mL 2.90mL

volume NaOH used, mL: 36.2mL 38.8mL 36.2 mL

If someone could explain how I'm supposed to figure out themolar mass if i dont know what the formula of the acid to add upthe grams is. I was able to do trial #1 for part A of thisexperiment but I can't do the same things because i am limited oninformation.

Thanks!

Answer & Explanation Solved by verified expert
3.6 Ratings (449 Votes)
This exercise has two mistakesFirst mistake We dont know if its a monoprotic acid diproticacid or polyprotic acid Example HCl H2SO4or H3PO4Second mistake We dont know the concentration of NaOH We canassume for example 01M sommol NaOH 1st determination 01 mol1000mL x 362 mL    See Answer
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