6gm of silver salt of tribasic acid gives 4.32 gm silver on strong heating. The molar mass of acid is:
6gm of silver salt of tribasic acid gives 4.32 gm silver on strong heating. The molar mass of acid is:
A. 126gm
B. 129gm
C. 123gm
D. 252gm
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`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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