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chemistry revison

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    I'm doing GCSE Chemistry with Edexcel, and have my C3 exam coming up and I really struggle with equations such as Avogardro's law. It takes me a while to understand the method. Can anyone help me? Thanks
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    (Original post by dippers)
    I'm doing GCSE Chemistry with Edexcel, and have my C3 exam coming up and I really struggle with equations such as Avogardro's law. It takes me a while to understand the method. Can anyone help me? Thanks
    Take a look at this website, it really helped me: http://www.chemteam.info/Mole/Avogad...r-CalcsII.html
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    (Original post by clownfish)
    Take a look at this website, it really helped me: http://www.chemteam.info/Mole/Avogad...r-CalcsII.html
    aww, thank you!!
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    (Original post by dippers)
    I'm doing GCSE Chemistry with Edexcel, and have my C3 exam coming up and I really struggle with equations such as Avogardro's law. It takes me a while to understand the method. Can anyone help me? Thanks
    What don't you understand about Avogadro?
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    (Original post by Sammydemon)
    What don't you understand about Avogadro?
    Well I do understand it, but it takes me a while to understand it, and I don't think I'll remember to convert cm3 into dm3 as i'll forget. Will i get the equations in the exam?
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    (Original post by dippers)
    Well I do understand it, but it takes me a while to understand it, and I don't think I'll remember to convert cm3 into dm3 as i'll forget. Will i get the equations in the exam?
    What equations? Do you mean like concentration = moles/volume? and number of moles = mass/Mr ?
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    (Original post by Sammydemon)
    What equations? Do you mean like concentration = moles/volume? and number of moles = mass/Mr ?
    well in my book it says volume of gas=mass of gas/Mr of gas x 24 and a triangle with volume=moles x 24....

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