For each strong acid solution, determine [H3O ], [OH-], and pH.
a. 0. 25 M HCl
b. 0. 015 M HNO3
c. a solution that is 0. 052 M in HBr and 0. 020 M in HNO3
d. a solution that is 0. 655% HNO3 by mass (assume a density of 1. 01 g>mL for the solution)

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