How to Convert Mass Into Mole

PDF download Download Article
PDF download Download Article

Being able to calculate how many moles are in a certain amount of matter is an important skill in both inorganic and organics chemistry. In short, plug in any given values into the equation and solve for .

Steps

PDF download Download Article
  1. The equation you'll need to use is , or the numbers of moles is equal to the mass divided by the molar mass . [1]
  2. For example, if you have to calculate how many moles go into 74 g of hydrogen peroxide, you'll get , since you have 74 g of hydrogen peroxide, and the molar mass is 37 . [2]
    Advertisement
  3. The unit grams is both in the numerator and denominator so that cancels out. Moles is in the denominator of the denominator, which leaves you with moles in the numerator. The final answer is . [3]
    4. Advertisement

Community Q&A

Search
Add New Question
  • Question
    How do I convert 8 grams of Hydrogen into moles?
    Community Answer
    Number of moles = mass / molecular mass = 8 / 1 = 8, knowing that the molecular mass of hydrogen is one.
    Thanks! We're glad this was helpful.
    Thank you for your feedback.
    If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow
    Yes No
    Not Helpful 7 Helpful 12
Ask a Question
200 characters left
Include your email address to get a message when this question is answered.
Submit
      Advertisement

      Tips

      • Work out the units along with the problem. They are a good way to check your solution: if you end up with something like when you should end up with , you know something went wrong along the way.
        Thanks
        Helpful 0 Not Helpful 0
      Submit a Tip
      All tip submissions are carefully reviewed before being published
      Name
      Please provide your name and last initial
      Submit
      Thanks for submitting a tip for review!
      Advertisement

      You Might Also Like

      How to
      Convert Grams to Moles
      How to
      Calculate Molarity: Easy Step-by-Step Guide
      How to
      Calculate Molar Mass
      How to
      Convert Grams Into Pounds
      How to
      Do Stoichiometry
      How to
      Calculate the Concentration of a Solution
      How to
      Calculate Theoretical Yield
      How to
      Calculate Electronegativity
      How to
      Calculate Vapor Pressure
      How to
      Calculate the Enthalpy of a Chemical Reaction
      How to
      Calculate Bond Order in Chemistry
      How to
      Calculate Percent Yield in Chemistry
      How to
      Calculate Average Atomic Mass (and Use the Result)
      How to
      Calculate Molar Absorptivity
      Advertisement

      References

      1. ↑ https://www.omnicalculator.com/chemistry/mole
      2. ↑ https://www.omnicalculator.com/chemistry/mole
      3. ↑ https://chem.libretexts.org/Courses/Sacramento_City_College/SCC%3A_CHEM_330_-_Adventures_in_Chemistry_(Alviar-Agnew)/05%3A_Chemical_Accounting/5.04%3A_Molar_Mass-_Mole-to-Mass_and_Mass-to-Mole_Conversions

      About This Article

      Thanks to all authors for creating a page that has been read 48,929 times.

      Did this article help you?

      Advertisement