A 12.0 M acid solution that contains 75.0% acid by mass has a density of 1.57 g/mL. What is the identity of the acid? | Solutions

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A 12.0 M acid solution that contains 75.0% acid by mass has a density of 1.57 g/mL. What is the identity of the acid?

HCl (M = 36.5)

CH₃CO₂H (M = 60.0)

HBr (M=80.9)

H₃PO₄ (M = 98.0)

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