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What is the concentration of a HNO3 solution if 10.0 mL of the solution is neutralized by 3.6 mL of a 0.20 M NaOH solution?

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    m1v1=m2v2

    m1=m2v2/v1

    m1=(0.20M NaCl)(.0036)/(0.01)
    m1=7.2x10^-4(0.01)
    m1=7.2x10^-6

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