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Intro to Chemical Engineering
Modern Analytical Chemistry
170 SOLVED PROBLEMS
Question: 4.17
A manufacturer’s process for analyzing aspirin tablets has a known variance of 25. A ...
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The variance for the sample of ten tablets is 4.3....
Question: 6.4
Determine the value of the equilibrium constant for the reaction ...
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This reaction can be broken down into three reacti...
Question: 6.3
Using Appendix 3B, calculate the following equilibrium constants (a) Kb for pyridine, ...
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(a)
K_{\mathrm{b}, \mathrm{C}_{5} \mathrm{H...
Question: 4.11
The amount of aspirin in the analgesic tablets from a particular manufacturer is known to ...
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The normal distribution for this example is shown ...
Question: 4.19
Tables 4.1 and 4.8 show results for two separate experiments to determine the mass of a ...
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To begin with, we must determine whether the varia...
Question: 4.16
Before determining the amount of Na2CO3 in an unknown sample, a student decides to check ...
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The mean and standard deviation for the five trial...
Question: A6.3
For the countercurrent extraction in Example A6.2, calculate the recovery and separation ...
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From Example A6.2 we know that after 100 steps of ...
Question: A6.2
Two solutes, A and B, with distribution ratios of 9 and 4, respectively, are to be ...
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The fraction,
q
, of each solute rem...
Question: 14.10
Determine the source of the significant difference for the data in Example 14.9. ...
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Individual comparisons using Fisher's least signif...
Question: 14.6
The concentration of trace metals in sediment samples collected from rivers and lakes ...
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The effect of a change in level for each factor is...
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