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[" XQ47.An aqueous solution of concentra...

[" XQ47.An aqueous solution of concentrated "],[" hydrobromic acid contains "48%" HBr by mass.If "],[" the density of the solution is "1.50g/mL" ,what is "],[" its concentration: "],[[" (A) "11.4" moll "," (B) "8.9moll],[" (A) "5.9moll," (D) "18.5moll]]

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