How many moles of oxygen are in a 125 L container at 2.21 atm and 246 k? Group of answer choices

22.4 mol

12 4 mol

150 mol

5.5 x 103 mol

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

Which type of fossil does this image depict?

What is the main reason why some developing countries fear the increase the free trade policies around the world?