Which represents the most acidic solution?

 Which represents the most acidic solution? A) pH = 1.2 B) [H+] = 0.3 M C) [H+] = 1 x 10-4 M D) pOH = 5.9 

If one mole of each of the following solutes are dissolved in 1 kg of water, which will have the highest boiling point? A) NH3 B) NH4Cl C) KBr D) MgBr2

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