(a) Interpretation: The weight of an average potato using the correct number of significant figures is to be calculated. Concept introduction: Scientific notation is used to write large numbers by shifting the decimal point. It is expressed as the product of a decimal term and 10 raised to some power. Significant figures are used to express a measurement in scientific notation. The significant figures reflect the closeness of measured values to the standard values.
(a) Interpretation: The weight of an average potato using the correct number of significant figures is to be calculated. Concept introduction: Scientific notation is used to write large numbers by shifting the decimal point. It is expressed as the product of a decimal term and 10 raised to some power. Significant figures are used to express a measurement in scientific notation. The significant figures reflect the closeness of measured values to the standard values.
Solution Summary: The author explains how scientific notation is used to write large numbers by shifting the decimal point. Significant figures reflect the closeness of measured values to the standard values.
The weight of an average potato using the correct number of significant figures is to be calculated.
Concept introduction:
Scientific notation is used to write large numbers by shifting the decimal point. It is expressed as the product of a decimal term and 10 raised to some power. Significant figures are used to express a measurement in scientific notation. The significant figures reflect the closeness of measured values to the standard values.
Interpretation Introduction
(b)
Interpretation:
The average shooting percentage of the five players using the correct number of significant figures is to be predicted.
Concept introduction:
Scientific notation is used to write large numbers by shifting the decimal point. It is expressed as the product of a decimal term and 10 raised to some power. Significant figures are used to express a measurement in scientific notation. The significant figures reflect the closeness of measured values to the standard values.
1. Calculate the accurate monoisotopic mass (using all 1H, 12C, 14N, 160 and 35CI) for your product using the table in
your lab manual. Don't include the Cl, since you should only have [M+H]*. Compare this to the value you see on
the LC-MS printout. How much different are they?
2. There are four isotopic peaks for the [M+H]* ion at m/z 240, 241, 242 and 243. For one point of extra credit,
explain what each of these is and why they are present.
3. There is a fragment ion at m/z 184. For one point of extra credit, identify this fragment and confirm by
calculating the accurate monoisotopic mass.
4. The UV spectrum is also at the bottom of your printout. For one point of extra credit, look up the UV spectrum
of bupropion on Google Images and compare to your spectrum. Do they match? Cite your source.
5. For most of you, there will be a second chromatographic peak whose m/z is 74 (to a round number). For one
point of extra credit, see if you can identify this molecule as well and confirm by…
Please draw, not just describe!
can you draw each step on a piece of a paper please this is very confusing to me
Chapter 1 Solutions
Chemistry for Today: General, Organic, and Biochemistry
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