- Units & Notation
- Moles per litre
- Grams per litre
- Percent solutions
- Parts per million
- Practice problems
Practice problems
Activity 4
How many grams of Sodium Chloride are needed to make 200mL of 3% solution?
Try to attempt this problem yourself. Type-in your answer (digits only) in the text box given below and then check your answer by clicking the 'Check Answer' button.
Volume of solution is 200mL. % concentration (w/v) of the solution is 3%. Placing these values in the formula:
we get:
From the above equation, the amount of sodium chloride is 6 grams.
You can go to another section of this resource if you have got the answer right, or else, the video below shows a detailed step by step approach to solve the above problem.
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