某同學(xué)向一定溶質(zhì)質(zhì)量分?jǐn)?shù)的葡萄糖溶液中加入1闂佺偨鍎婚懙褰掑焵椤掑﹥瀚�查看更多

 

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某同學(xué)向一定溶質(zhì)質(zhì)量分?jǐn)?shù)的葡萄糖溶液中加入10g葡萄糖,完全溶解后,得到溶質(zhì)的質(zhì)量分?jǐn)?shù)為20%的葡萄糖溶液100g,則原葡萄糖溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)約為(  )
A.9%B.11%C.15%D.18%

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某同學(xué)向一定溶質(zhì)質(zhì)量分?jǐn)?shù)的葡萄糖溶液中加入10g葡萄糖,完全溶解后,得到溶質(zhì)的質(zhì)量分?jǐn)?shù)為20%的葡萄糖溶液100g,則原葡萄糖溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)約為( )
A.9%
B.11%
C.15%
D.18%

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某同學(xué)向一定溶質(zhì)質(zhì)量分?jǐn)?shù)的葡萄糖溶液中加入10g葡萄糖,完全溶解后,得到溶質(zhì)的質(zhì)量分?jǐn)?shù)為20%的葡萄糖溶液100g,則原葡萄糖溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)約為( )
A.9%
B.11%
C.15%
D.18%

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某同學(xué)向一定溶質(zhì)質(zhì)量分?jǐn)?shù)的葡萄糖溶液中加入10 g葡萄糖,完全溶解后,得到溶質(zhì)的質(zhì)量分?jǐn)?shù)為20%的葡萄糖溶液100 g, 則原葡萄糖溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)約為 (     )

A.9%            B.11%             C.15%            D.18%

 

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某同學(xué)向一定溶質(zhì)質(zhì)量分?jǐn)?shù)的葡萄糖溶液中加入10 g葡萄糖,完全溶解后,得到溶質(zhì)的質(zhì)量分?jǐn)?shù)為20%的葡萄糖溶液100 g,則原葡萄糖溶液溶質(zhì)的質(zhì)量分?jǐn)?shù)約為 (     )
A.9%B.11%C.15%D.18%

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