Identify each of the following experimental occurrences as contributing to systematic error â€œSâ€, random error â€œRâ€,...

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Chemistry

Identify each of the following experimental occurrences ascontributing to systematic error â€œSâ€, random error â€œRâ€, both typesof error â€œBâ€, or neither (does not cause error) â€œNâ€ Write the codeletters S, R, B or N, as appropriate, in the space beside thephrase.
reading a meniscus from above the plane of the calibrationmark
reading a meniscus in the plane of the calibration mark,but with limits of human visual acuity
transferring analyte solution from one vessel to another,to varying degrees of completeness
loss of varying amounts of analyte during transfer fromsample vials to beakers
small up-and-down variations in room temperature duringweighing and solution prep
weighing a sample directly from the oven without coolingit
incomplete drying of a primary standard, prior to weighinga sample
completely cooling a weigh bottle in a desiccator prior toweighing a sample
using a glove or a paper loop to handle a weigh bottlebetween the first and second weighings
incompletely dissolving the sample in a volumetric flaskprior to removing an aliquot for analysis
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4.5 Ratings (766 Votes)

Lets go to the basic definition of the Ransom and Systematic errors Random error It is always present in a measurement It is caused by inherently unpredictable fluctuations in the readings of a measurement apparatus or in the experimenters interpretation of the instrumental reading Random errors in experimental measurements are caused by unknown and unpredictable changes in the experiment These changes may occur in the measuring instruments or in the environmental conditions Examples of causes of random errors are electronic noise in the circuit of See Answer

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Identify each of the following experimental occurrences as contributing to systematic error â€œSâ€, random error â€œRâ€,...