Chem for final, please help!

How many moles of H+(aq) ions are present in 1.25 L of 0.75M Nitric Acid?
A. 0.60 mol
B. 0.75 mol
C. 0.94 mol
D. 1.7 mol
E. 1.9 mol
Please show me how to work this!

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  1. moles of HNO3= volume*molarity

    and, it commpletely dissocates, so..

    moles Hions=molesHNO3

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