9: Percentage yield

Question 1

What is meant by percentage yield?

Answer 1

The percentage yield is a way to compare predicted yield and actual yield

Question 2

What is the percentage yield if none of the product is lost?

Answer 2

100%

Question 3

What is the percentage yield if all of the product is lost?

Answer 3

0%

Question 4

What is predicted yield?

Answer 4

The expected mass calculated using reacting masses

Question 5

What is actual yield?

Answer 5

The mass of product made

Question 6

What is the equation for percentage yield?

Answer 6

(actual yield/predicted yield) x100

Question 7

The percentage yield can vary depending on?

Answer 7

> The reaction
The way it is carried out
The way in which the product is obtained

Question 8

How might product be lost?

Answer 8

>Handling
>Purification
>Filtration
>Evaporation
>The transfer of liquids from one container to another
>Heating