需要水的質(zhì)量是 x
40g*36.5%=(40g+x)*10%
x=106g
將40g溶質(zhì)質(zhì)量分?jǐn)?shù)為36.5%的鹽酸稀釋為溶質(zhì)質(zhì)量分?jǐn)?shù)為10%的鹽酸需要水的質(zhì)量是多少
將40g溶質(zhì)質(zhì)量分?jǐn)?shù)為36.5%的鹽酸稀釋為溶質(zhì)質(zhì)量分?jǐn)?shù)為10%的鹽酸需要水的質(zhì)量是多少
將40g溶質(zhì)質(zhì)量分?jǐn)?shù)為36.5%的鹽酸稀釋為溶質(zhì)質(zhì)量分?jǐn)?shù)為10%的鹽酸,需要水的質(zhì)量是多少?
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將40g溶質(zhì)質(zhì)量分?jǐn)?shù)為36.5%的鹽酸稀釋為溶質(zhì)質(zhì)量分?jǐn)?shù)為10%的鹽酸,需要水的質(zhì)量是多少?
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化學(xué)人氣：411 ℃時間：2019-10-10 06:07:48
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