How many liters are in 3.4 x 10^24 atoms of He? Group of answer choices
25 L
126.5 L
12.65 L
0.025 L

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)

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?