The preparation of 455 g of aqueous solution that is 7.00 % by mass of N a 2 S O 4 has to be discussed. Concept Introduction: Mass percent is one of the many parameters that is used to express concentration of a solution . It is expressed as, Mass percent of a solute = m a s s of solute m a s s of solution × 100%

Question

(a 4 shows scanning electron microscope (SEM) images of extruded actions of packing bed for two capillary columns of different diameters, al 750 (bottom image) and b) 30-μm-i.d. Both columns are packed with the same stationary phase, spherical particles with 1-um diameter. A) When the columns were prepared, the figure shows that the column with the larger diameter has more packing irregularities. Explain this observation. B) Predict what affect this should have on band broadening and discuss your prediction using the van Deemter terms. C) Does this figure support your explanations in application question 33? Explain why or why not and make any changes in your answers in light of this figure. Figure 4 SEM images of sections of packed columns for a) 750 and b) 30-um-i.d. capillary columns.³

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Question

Chapter 12, Problem 12.50QP

Interpretation Introduction

Interpretation:

The preparation of 455 g of aqueous solution that is 7.00 % by mass of Na2SO4 has to be discussed.

Concept Introduction:

Mass percent is one of the many parameters that is used to express concentration of a solution. It is expressed as,

Mass percent of a solute = mass of solutemass of solution × 100%

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