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    Name:  image.jpeg
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Size:  114.7 KBCan anyone explain why the comic is multiplied by 100 in the last question?
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    (Original post by AqsaMx)
    Name:  image.jpeg
Views: 80
Size:  114.7 KBCan anyone explain why the comic is multiplied by 100 in the last question?
    Hiya! I'm assuming this is Chemistry so I've moved it to the Chemistry forum for you - you're more likely to get an answer here
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    because the original acid was diluted by a factor of 100
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    It comes from the equation concentration = moles / volume.. the volume is is dm^3.. so 10cm^3 in dm^3 is 0.01.. so 0.0625/0.01 = 6.25moldm^-3
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    (Original post by GDN)
    because the original acid was diluted by a factor of 100
    But because you're using a 20cm3 sample from a 1dm3 sample, why wouldnt you x50 first?
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    Anyone? I'm confused
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    πr2
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    (Original post by life.of.pablo)
    πr2
    ??
 
 
 
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