Parts Per Million: Definition, Calculation & Example


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question 1 of 3

What is the ppm of calcium in a 15 grams soil sample if it is found that there is 98 micro-grams of calcium in the sample? (1 gram = 1,000,000 micro-grams)

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1. What does ppm stand for?

2. How much chlorine should be added to a 6000 gallon pool in order to obtain 2.4 ppm of chlorine?

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About This Quiz & Worksheet

Your ability to apply relevant concepts regarding parts per million will be tested using this short quiz and corresponding worksheet. You might try to take the quiz prior to viewing the lesson to see what you know and again after reviewing it to determine what information you have retained.

Quiz & Worksheet Goals

When you take this quiz, you should be prepared to:

  • Solve a parts per million problem
  • Recognize what ppm stands for
  • Determine how much chlorine needs to be added to a 6,000 gallon pool to achieve 2.4 ppm of chlorine
  • Describe how to make 500 mL of a 200 ppm HCI solution in water
  • Calculate the ppm of sulphur in a sample solution

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson, such as what ppm stands for
  • Problem solving - use acquired knowledge to solve sample ppm problems
  • Interpreting information - verify that you can read information regarding the calculation of ppm given specific information and interpret it correctly

Additional Learning

Gain better insight into this topic by reviewing the lesson called Parts Per Million: Definition, Calculation & Example. You will have the opportunity to learn more about:

  • How parts per million is defined
  • What should be done first when calculating ppm