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WorksheetsMaking solution & Dilution
Total questions: 10
Worksheet time: 28mins
The initial standard solution is called ________
stock solution
diluted solution
unknown solution
volumetric solution
Step 1 of preparing a standard solution:___________
Weigh a primary standard accurately
Weigh a primary standard and round it to the nearest whole number
Weigh approximately 1g of primary standard
Weigh approximately 100g of primary standard
Step 2 of preparing a standard solution:___________
Dissolve the primary standard in a small amount of deionised or distilled water in a beaker.
Dissolve the primary standard in a small amount of deionised or distilled water in a volumetric flask.
Dissolve the primary standard in a large amount of deionised or distilled water in a beaker.
Dissolve the primary standard in a large amount of deionised or distilled water in a volumetric flask.
Step 3 of preparing a standard solution:___________
Transfer the solution and rinsings to a beaker
Transfer the solution and rinsings to a volumetric flask.
Transfer the solution to a volumetric flask.
Transfer the solution to a beaker.
Step 4 of preparing a standard solution:___________. Tick all that apply.
Make up to the graduation mark
Use a stopper
Invert the flask
Weigh the volumetric flask
When you dilute a solution, which of these values remains constant?
The molarity (M)
The total moles of solute
The volume (V)
The concentration
How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?
7.5 mL
15 mL
1333 mL
200 mL
When you make a dilution, which of these values remains constant?
The molarity (M)
The total moles of solute
The volume (V)
The concentration
