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Units

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SL_3031:
How do you go about learning all of the different units used in chemsirty? And how do you learn how to easily convert units?

Thank you!  :)

stella_atarnotes:

--- Quote from: SL_3031 on May 01, 2019, 04:03:55 pm ---How do you go about learning all of the different units used in chemsirty? And how do you learn how to easily convert units?

Thank you!  :)

--- End quote ---

Hey! With the units for chemistry, start by remembering the basic ones. Everything will be in g or L or mol. We never use kg, mg, mL, Mmol as the standard units in our calculations. Then work on the conversions as if they are maths questions.

e.g. to go from M (g/mol) from g/L you will need to multiply L/mol which is the reciprocal of mol/L which is the units for molar mass, so just times the M by molar mass! (this is a technique called solving the units)

You also need to memorise the scientific notations for things like mL (x10^3), nanoL, picoL etc.

Once you have that just do practice questions!

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