A.50.0%                  B.48.8%                   C.38.2%                  D.72.3%

A.38.2%               B.48.8%               C.50.0%             D.72.3%

向KI溶液中加入AgNO₃溶液，直到反應(yīng)恰好完全為止，結(jié)果反應(yīng)后溶液的質(zhì)量恰好等于原KI溶液的質(zhì)量，則該AgNO₃溶液中溶質(zhì)的質(zhì)量分?jǐn)?shù)為(    )

A.50.0%               B.48.8%               C.38.2%             D.72.3%

向KI溶液中加入AgNO₃溶液，直到反應(yīng)恰好完全為止，反應(yīng)后溶液(已除去沉淀)的質(zhì)量等于原KI溶液的質(zhì)量．則原AgNO₃溶液的溶質(zhì)的質(zhì)量分?jǐn)?shù)為

1. A.
   50％
2. B.
   48.8％
3. C.
   38.2％
4. D.
   72.3％