Standard Solution

Question 1

Step 1- weigh

Answer 1

Weigh out the amount of solid precisely using a balance and plastic/glass weighing boat

Question 2

Step 2- Transfer

Answer 2

transfer the solid from the weighing boat to a beaker. Wash any solid left behind into the beaker using deionized water

Question 3

Step 3- dissolve

Answer 3

dissolve your solid fully using deionised water. Stir to ensure the solid is dissolved fully.

Question 4

Step 4- transfer

Answer 4

Transfer the solution to the volumetric flask. use a funnel to avoid spillage and rinse the beaker AND glass rod into the flask to make sure most of the solution is transferred.

Question 5

Step 5 Fill

Answer 5

Use more deionised water to fill to the graduation line. Be careful not to go above this line! Use a pipette to fill to the line when you get near.

Question 6

Step 6 Mix

Answer 6

invert the flask a few times. Make sure you put a lid on it first! This ensures your solution is thoroughly mixed and ready to use.