The volume of 0.25 M of NaOH required to titrate the oxalic acid in the leaves and the mass of calcium oxalate formed from the oxalic acid in the leaves has to be determined. Concept introduction: Rhubarb is a type of plant that contains oxalic acid. It is toxic and corrosive. The stem of Rhubarb is edible and not the leaves as the content of oxalic acid in leaves is quite high. The acid-base neutralization is the common reaction studied in chemistry. The acids like oxalic acid can be neutralized by a base like NaOH .

Question

You are a Quality Manager for a very well-known food ingredient company that produces umami powder, and you are responsible for setting specification limits. The net weight (in grams) of bags of unami powder is monitored by taking samples of six bags on an hourly basis during production. The label on every bag reports a contents of 1KG umami powder. The process mean is μ = 1012 g, and when the process is properly adjusted, it varies with σ = 11 g. QUESTION: Your organisation strives to ensure that >99.97% of bags of umami powder produced conforms to specification. What performance process index value is required to achieve this process yield? Calculate PPK using the following formula: Ppk = (USL – mean)/3 σ Ppk = (mean -LSL)/ 3 σ

Answer 1

Question

Chapter 17, Problem 93GQ

(a)

Interpretation Introduction

Interpretation:

The volume of 0.25 M of NaOH required to titrate the oxalic acid in the leaves and the mass of calcium oxalate formed from the oxalic acid in the leaves has to be determined.

Concept introduction:

Rhubarb is a type of plant that contains oxalic acid. It is toxic and corrosive. The stem of Rhubarb is edible and not the leaves as the content of oxalic acid in leaves is quite high.

The acid-base neutralization is the common reaction studied in chemistry. The acids like oxalic acid can be neutralized by a base like NaOH.

(b)

Interpretation Introduction

Interpretation:

The mass of Calcium oxalate formed from oxalic acid has to be determined.

Concept introduction:

Rhubarb is a type of plant that contains oxalic acid. It is toxic and corrosive. The stem of Rhubarb is edible and not the leaves as the content of oxalic acid in leaves is quite high.

The acid-base neutralization is the common reaction studied in chemistry. The acids like oxalic acid can be neutralized by a base like NaOH.

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You are a Quality Manager for a very well-known food ingredient company that produces umami powder, and you are responsible for setting specification limits. The net weight (in grams) of bags of unami powder is monitored by taking samples of six bags on an hourly basis during production. The label on every bag reports a contents of 1KG umami powder. The process mean is μ = 1012 g, and when the process is properly adjusted, it varies with σ = 11 g. QUESTION: Your organisation strives to ensure that >99.97% of bags of umami powder produced conforms to specification. What performance process index value is required to achieve this process yield? Calculate PPK using the following formula: Ppk = (USL – mean)/3 σ Ppk = (mean -LSL)/ 3 σ

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