standard solution

Question 1

1. Calculate the mass of required substance needed to produce ………..

Answer 1

250 cm3
of a 0.100 mol dm-3 solution.

Question 2

Weigh a clean dry weighing bottle (or weighing boat) on a

Answer 2

a 2dp
balance.

Question 3

Place the weighing bottle on the pan of a digital balance and
zero the balance. Using a spatula, place

Answer 3

(approximately) the
calculated mass of required substance into the bottle.

Question 4

Remove from the balance, set to ………..and re-weigh the weighing
bottle and​ its contents, recording the value.

Answer 4

zero

Question 5

Pour the contents of the weighing bottle into a …..