Titrations

Question 1

Phenolphthalein colours

Answer 1

Colourless in acids. Pink in alkalis

Question 2

Methyl orange colours

Answer 2

Red in acids yellow in alkalis

Question 3

What is a standard solution

Answer 3

Something you know the exact concentration of

Question 4

Why is a white tile used (titration)

Answer 4

To see when the end point is exactly easier

Question 5

How to make standard solution

Answer 5

Weight the weighing boat and the mass on a balance
Record mass after adding to beaker
Dissolved in water and use the washings of everything
Add to volumetric flask using a funnel ( washings too )
Invert to mix

Question 6

What is a rough titration

Answer 6

First one that is always overshot

Question 7

How do you calculate the mean of the tires

Answer 7

Exclude any non concordant results and add them then divide by two