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    Name:  yy-vhsEi.jpg-large.jpeg
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Size:  410.3 KBNeed help with my homework.
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    For question 1, if i gice you the hint that moles is measured in (mol), volume is measured in (dm³) and concentration is measured in (mol/dm³ (moles PER dm³), do you think you can work out an equation?
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    (Original post by 515)
    For question 1, if i gice you the hint that moles is measured in (mol), volume is measured in (dm³) and concentration is measured in (mol/dm³ (moles PER dm³), do you think you can work out an equation?
    I know what there measured in, just don't know how to structure the equation.
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    For q2: If you want to find the concentration in mol/dm³, all you do is divide the concentration in g/dm³ by the Mr
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    If you multiple the concentration in moldm^-3, by the molar mass, in gmol^-1, you get the 'mass concentration'. Use that to derive it.
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    (Original post by RedGiant)
    If you multiple the concentration in moldm^-3, by the molar mass, in gmol^-1, you get the 'mass concentration'. Use that to derive it.
    For question 5?
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    Question 1: Concentration (mol/dm³) = ? / ?. If you are not sure which order, have a guess and feel free to ask me whether you got it correct or not
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    trust me , everytime i come across a moles question i always write the equation triangle to help me
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    Question 5: Convert cm³ to dm³, the times the value by mol/dm³ to find the amount of moles in the substance
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    (Original post by 515)
    For question 1, if i gice you the hint that moles is measured in (mol), volume is measured in (dm³) and concentration is measured in (mol/dm³ (moles PER dm³), do you think you can work out an equation?
    Calculate the volume of 0.5 mol of carbon dioxide
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    (Original post by SBizzy)
    Calculate the volume of 0.5 mol of carbon dioxide
    I would also require the concentration
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    (Original post by SBizzy)
    Calculate the volume of 0.5 mol of carbon dioxide
    How do I find mr for CuCl2?
 
 
 
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