(a)
Interpretation:
The given data needs to be plotted using the spreadsheet including the least-squares line assuming a linear relationship between instrument reading and concentration.
Concept introduction:
The quality of water can be measured by turbidity. The degree in which the transparency of water is lost is known as turbidity. Ther higher the suspended solids, the higher is the turbidity of the water. It is measured by turbidimeter and the unit is Nephelometric Turbidity Units.
(b)
Interpretation:
The slope and intercept of the straight line from the graph needs to be determined.
Concept introduction: The quality of water can be measured by turbidity. The degree in which the transparency of water is lost is known as turbidity. Ther higher the suspended solids, the higher is the turbidity of the water. It is measured by turbidimeter and the unit is Nephelometric Turbidity Units.
(c)
Interpretation:
For the slope and intercept of the graph, standard deviation needs to be determined.
Concept introduction:
The quality of water can be measured by turbidity. The degree in which the transparency of water is lost is known as turbidity. Ther higher the suspended solids, the higher is the turbidity of the water. It is measured by turbidimeter and the unit is Nephelometric Turbidity Units.
(d)
Interpretation:
The concentration of the sulfate in the sample at turbidimeter reading 3.67 needs to be determined. The absolute standard deviation and coefficient of variation needs to be calculated.
Concept introduction:
The quality of water can be measured by turbidity. The degree in which the transparency of water is lost is known as turbidity. Ther higher the suspended solids, the higher is the turbidity of the water. It is measured by turbidimeter and the unit is Nephelometric Turbidity Units.
(e)
Interpretation:
Assuming 3.67 as mean of six turbidimeter readings, the calculations in part (d) needs to be repeated.
Concept introduction:
The quality of water can be measured by turbidity. The degree in which the transparency of water is lost is known as turbidity. Ther higher the suspended solids, the higher is the turbidity of the water. It is measured by turbidimeter and the unit is Nephelometric Turbidity Units.
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Chapter A1 Solutions
PRINCIPLES OF INSTRUMENTAL ANALYSIS
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- Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous solution. If neutral, simply write only NR. Be sure to include the proper phases for all species within the reaction. N₂H₅ClO₄arrow_forwardPlease help me with identifying these.arrow_forwardCan I please get help with this?arrow_forward
Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning