2. State whether the errors in the below scenarios are random, systematic, or a

Question

2. State whether the errors in the below scenarios are random, systematic, or a blunder and explain your reasoning. 2A. A Fisher Class-A 50-mL buret delivered 10.05 mL of water when drained exactly from 0.00 to 10.00 mL Another trial was made with the buret, and 9.99 mL of water was measured from the 0.00 to 10.00 mL marks. The tolerance of the Fisher burst is ±0.05 m 2B. A student grabs a 25-mL volumetric flask from the stock room and measures the volume of the flask to be 25.60, 25.00, 24.97 and 25.01 ml The manufacturer's tolerance of the flask is 0.03 m 2C. An analysis to determine the percent weight of iron in an ore sample gives the following results: 10.11%, 10.15%, 10.01%(w/w). 2D·The iodide (T) content of a commercial mineral water was measured by two methods that produced wildly different results. Method A found 0.23 ppm I and Method B found 0.009 ppm I. When Mn2 was added to the water, the I content found by method A increased each time more Mn2 was added. The results from Method B were unchanged.

Explanation / Answer

2A) Systematic Error

Systematic Errors produce, either a fixed amount (like .5ml ) or a proportion (like 105% of the true value). If you repeat the experiment, you’ll get the same error.

2B) Random Error

Beacuse Random errors are (like the name suggests) completely random. They are unpredictable and can’t be replicated by repeating the experiment again.

2C) Random Error

2D) Blunder Error

beacuse what are u doing just compare the different sample of water with each other. how coude this give the same error. or value.

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