A 1 L sample from Tempe Town lake has a pH of 3.57. Exhaust from cars on nearby highways often mixes with rain to form HNO3. use this information to answer the following questions. 1. what is the concentration of H+ ions in the sample?
2.if it took 80 ml of 1 M NaOH to neutralize 250 ml of the acidic solution, what is the molarity of HNO3 in the sample?
3. How many miles of HNO3 are in the solution? ​

Select the correct answer from each drop-down menu. daniel and sanya are scientists. daniel is studying whether the increasing frequency of tropical storms is affecting coastal erosion. sanya is investigating whether the discharge from industrial plants has any impact on the ph concentration of freshwater swamps in the surrounding area. which fields of science are daniel’s and sanya’s studies most closely related to? daniel’s field of study is related to science, and sanya’s field of study is related to .

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *