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Chemistry: Post your doubts here!

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I had a nasty handwriting and there were cuttings everywhere on my paper am I at a disadvantage and will my marks be deducted??:cry::cry::cry::cry:
 
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alright nice and how did you calculate the PH man? its killing me
one was in excess i don't remember which using the limited reagant i think i found the moles for hcl, then found the moles of H+ which were in 800cm^3 but we needed for 1 dm. so moles*1000/800 and then the -log10(h+) formula, honestly i cant recall
 
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