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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: at wt. of metal M........
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[Post New]5 Sep 2007 05:02:24 IST
    Subject: at wt. of metal M........
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s.mirchi (4)

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the sulphate of metal M contains 9.87% of M. this sulphate is isomorphous with ZnSO4 .7H2O. deternine the atomic wt. of metal M.
proper explanation is expected
    
[Post New]7 Sep 2007 16:49:23 IST
    Subject: Re:at wt. of metal M........
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prathima (49)

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24.31

GBXDHNXDFNHBHRSDRGWEASGSEDH
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[Post New]7 Sep 2007 16:54:04 IST
    Subject: Re:at wt. of metal M........
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prathima (49)

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given the metal sulphate  is isomorphus with znso4 .7 h2o
the fomula is M SO4 .7H2O
s       - 32
o4      - 64
7 H2o - 7x 18
      -----------------
           222
       -----------------
222 corresponds to (100-9.87)%
____   "     "       "      9.87%

u will get the answer as 24.31

GBXDHNXDFNHBHRSDRGWEASGSEDH
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[Post New]7 Sep 2007 16:54:26 IST
    Subject: Re:at wt. of metal M........
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prathima (49)

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correct me if i am wrong

GBXDHNXDFNHBHRSDRGWEASGSEDH
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