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6gm of silver salt of tribasic acid gives 4.32 gm silver on strong heating. The molar mass of acid is:A. 126gmB. 129gmC. 123gmD. 252gm |
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Answer» `H_(3)Aoverset(AgNO_(3))rarrAg_(3)Aoverset(Delta)rarrAgdownarrow` `POAc "on" Ag: 3xxn_(Ag_(3)A)=n_(Ag)` `3xx(6)/(M.Wt_("Salt"))=(4.32)/(108)` `M.Wt_("salt")=(3xx6xx108)/(4.32)=450` M.Wt. acid `=450-108xx3+3xx1` M.Wt. acid=`450-107xx3=129` |
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