Determine the acid dissociation constant for a 0.020 m formic acid solution that has a ph of 2.74. formic acid is a weak monoprotic acid and the equilibrium equation of interest is hcooh(aq) + h2o(l) ⇌ h3o+(aq) + hco2-(aq). enter your answer in exponential (e) format (sample 1.23e-4) with two decimal places and without units.

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.