Substances A and B have retention times of 16.40 and 17.63 min, respectively, on a 30.0-cm column. An unretained species passes through the column in 1.30 min. The peak widths (at base) for A and B are 1.11 and 1.21 min, respectively. Calculate (a) the column resolution, (b) the average number of plates in the column, (c) the plate height, (d) the length of column required to achieve a resolution of 1.5

Question

Substances A and B have retention times of 16.40 and 17.63 min, respectively,
on a 30.0-cm column. An unretained species passes through the column in 1.30 min. The peak widths (at base) for A and B are 1.11 and 1.21 min, respectively. Calculate

(a) the column resolution,

(b) the average number of plates in the column,

(c) the plate height,

(d) the length of column required to achieve a resolution of 1.5.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Organic Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: when amino acids were separated and located by locating agent, it was found that one of the amino ac...

A: The formula required to calculate the Rf is as follows,

Q: How do you know that the absorption band at ~1100 cm-1 in Figure is due to a C - O bond and not to a...

A: This figures shows a strong absorption at -1100 cm-1, indicating the presence of a C-O bond, this co...

Q: What daughter nucleus is produced when a 5526Fe nucleus undergoes electron capture? a. 5527Co b. 542...

A: Electron Capture (K-capture): In this process, an electron is absorbed from the K-shell and forms a ...

Q: Nitric oxide (NO) reacts readily with chlorine gas asfollows:2 NO(g) + Cl2(g) ⇌ 2 NOCl(g)At 700 K, t...

A: The direction of the reaction depends on the reaction quotient of the reaction  1) If reaction quoti...

Q: What name of bond formed between NH3 and metal ion in complax (cu(NH3)4)²+

A: In the formation of the chemical bond with the same or different elements, all elements tend to comp...

Q: Part B: Integrated rate law expressions for zero- and half-order reactions Derive integrated rate la...

A: Click to see the answer

Q: Without doing a calculation, predict which of these compounds has the greatestmolar solubility in wa...

A: The solubility product constant Ksp is the equilibrium constant for dissolution of a solid in aqueou...

Q: What is the change in heat energy when 3.45 g of gaseous water at 111.0 °C are cooled to 45.0 °C? Sh...

A: Click to see the answer

Q: Rank the following radicals in order of increasing stability.

A: Since the stability of free radicals depends on two things 1) resonance =>  more is the resonance...