Iodoform (CHI 3 ) is used in some antiseptic preparations.Iodoform reacts with A

Question

Iodoform (CHI3) is used in some antiseptic preparations.Iodoform reacts with Ag+ ions to form AgI and COgas:
CHI3 + 3Ag+ + H2O --> 3AgI(s) +CO(g) + 3H+

Suppose that a 1.000 g sample of an antiseptic preparation istreated with 25.00 mL of 0.02964 M AgNO3 and then theexcess Ag+ is titrated with 3.82 mL of 0.05527 M KSCN toa red FeSCN2+ end point (Volhard method). What is theweight percent of CHI3 (93.7 g/mol) in theantiseptic?

The answer should be 6.97% CHI3, However, I need tounderstand how to solve it. Any help would be appreciated,thanks.

Explanation / Answer

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