A) Using the data given in the table below, calculate the average (15 pts for en

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A) Using the data given in the table below, calculate the average (15 pts for entire question. SHOW ALL WORK FOR EACH SECTION FOR FULL CREDID 3. Table1: Standardized mass of weights Weight of standardized weight of metal weight of metal weight of (g) mass (g) ExperimentalExperimental Experimental Average Trial I 9.9483 19.9023 Trial 2 9.8231 19.9842 metal (g) Trial 3 9.9725 19.9990 29 9762 29 9852 29 9998 B) Calculate the absolute and relative error C) Calculate the standard deviation and coefficient of ariation 4. To identify a liquid substance, a student deternined its density. Using a graduated cylinder, she mcasured out a 45-mL sample of the substance. She then measured the mass of the sample, finding that it weighed 38.5 g. What is the calculated density of the substance? (8 pts SHOW ALL WORK FOR FULL CREDIT) flots in a 7% solution of Naa but sinks in distilled water. I low does the density of the compare with the water and with the brine (sali) solution? ( pt's SHOW ALL WORK FOR Anobject FULL CREDIT

Explanation / Answer

I'm supposed to answer one question at a time.

Ans 4. Density=mass/volume

Mass=38.5g

Volume=45 ml =45 cm3

Density=38.5/45 = 0.855g/cm3

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