Identify each of the following experimental occurrences ascontributing to systematic error “Sâ€, random error “Râ€, both typesof error “Bâ€, or neither (does not cause error) “N†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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