What is the pH of a solution if the pOH is 7.09?

pH= (round to 2 decimal places)

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have