7.將50g溶質(zhì)質(zhì)量分?jǐn)?shù)為W1.物質(zhì)的量濃度為c1闂佺偨鍎婚懙褰掑焵椤掑﹥瀚�查看更多

 

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將50g溶質(zhì)質(zhì)量分?jǐn)?shù)為w1,物質(zhì)的量濃度為c1的濃硫酸沿玻璃棒加入到Vml水中,稀釋后得到溶質(zhì)質(zhì)量分?jǐn)?shù)為w2,物質(zhì)的量濃度為c2的稀溶液。下列說法中正確的是

A.若c1 = 2c2,則w1<2w2,V<50 mL    B.若c1 = 2c2,則w1<2w2,V>50 mL

C.若w1 = 2w2,則c1<2c2,V=50 mL     D.若w1 = 2w2,則c1>2c2,V<50 mL

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將50g溶質(zhì)質(zhì)量分?jǐn)?shù)為w1,物質(zhì)的量濃度為c1的濃硫酸沿玻璃棒加入到Vml水中,稀釋后得到溶質(zhì)質(zhì)量分?jǐn)?shù)為w2,物質(zhì)的量濃度為c2的稀溶液。下列說法中正確的是
A.若c1 = 2c2,則w1<2w2,V<50 mLB.若c1 = 2c2,則w1<2w2,V>50 mL
C.若w1 = 2w2,則c1<2c2,V="50" mLD.若w1 = 2w2,則c1>2c2,V<50 mL

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