making A Solution

Question 1

1st step? (Weigh)

Answer 1

Weigh the sample bottle containing the required mass of solid on a 2dp balance

Question 2

2nd step? (Transfer)

Answer 2

Transfer to beaker and reweigh sample bottle

Question 3

3rd step? (Record)

Answer 3

Record the difference in mass

Question 4

4th step? (Add)

Answer 4

Add 100cm3 of distilled water to the beaker
Use a glass rod to stir to help dissolve the solid

Question 5

5th step? (Pour)

Answer 5

Pour solution into a 250cm3 graduated flask via a funnel

Question 6

6th step? (Rinse)

Answer 6

Rinse beaker and funnel and add washings from the beaker and glass rod to the volumetric flask

Question 7

7th step? (Make up)

Answer 7

Make up to the mark with distilled water using a dropping pipette for the last few drops

Question 8

8th step? (Invert)

Answer 8

Invert flask several times to ensure uniform solution